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96. Unless he takes these pills, he won’t be better.

A. If he takes these pills, he won’t be better.

B. He will be better if he takes these pills.

C. If he doesn’t take these pills, he will be better.

97. The last time I visited my grandparents was two years ago.

A. I used to visit my grandparents every two years.

B. I haven’t visited my grandparents for two years.

C. I didn’t visit my grandparents two years ago.

98. It isn’t necessary to finish the work today.

A. You don’t have to finish the work today.

B. The work must be finished today.

C. You mustn’t finish the work today.

99. Although Nam was very tired, he tried to finish his homework.

A. Nam tried to finish his homework because he was very tired.

B. Nam was very tired and therefore tried to finish his homework.

C. Despite being very tired, Nam tried to finish his homework.

100. No mountain in Viet Nam is as high as Mt. Fansipan.

A. Mt. Fansipan is the highest mountain in Viet Nam.

B. Mt. Fansipan is shorter than any other mountains in Viet Nam.

C. Mt. Fansipan is higher than no mountain in Viet Nam. 

•  1.The car breaks down so often because you don't take good care of it  /if->_^​​ii
• 2.hurry up or you will be late/if->
• 3.she is very busy ,so she can't help me now/if-> 
• 4.the children don't go to school because the wearth is snowny /if->
• 5.you're unfit because you don't take exercise./if->
• 6.unless you are careful ,you will cut yourself with that knife./if->
• 7.ìf i have time .i'll help you./unless-> 
• 8.leave me alone or i'll call the police/unless-.
• 9.dick often causes accidents because he drivers carlessly./if-> 
• 10 I can't apply for that job because i don't know English/if-> 
• 11.you must tell me the whole truth or i won't help you/unless-. 
• 12.i only come if they invite me./unless-> 

1. Unless Hoa works hard, she won't pass the exam .
=> If ..........................................................................
2. If you don't hurry up, you will miss the train 

=> Unless ......................................................

3. Practice more or you can't speak English well 

=> If .....................................................................
=> Unless.............................................................
4. Listen care fully and you will know how to use this machine .
=> If ..........................................................................................

5. Unless the does her work care fully, she will lose her job .
=> If .....................................................................................
6. If Hoa doen't do her home work, she will be punished .
=> Unless ......................................................................

viet lai cau

11 i didn't eat lunch , i feel hungry now

=>if i................................................................

12 it hadn't rained , we would have a better crop

=>but for ..................................................................

13 i only come if they invite me

=> unless .......................................................................

13 he didn't revise all his lessons , he failed the exam

=>if he ...............................................................................

14 his sister sent her money , so he continued to study

=>but for .......................................................................

15 the park is over there , only 5 minutes walk

=>if you walk ........................................................

16 in case it rain , we'll stay at home

=> if it .................................................

17 let me give you my advice . you should cut down on smoking right now

=> if i ......................................................................................................................

18leave me alone or i'll call the police

=>unless ............................................................

19 if you arrive at the office earlier than i do , please turn on the air -conditioner

=> should ...................................................................................................................

\20 the children don't go to school in the snowy weather

=>if it .................................................................................

21` he died so young otherwise , he would be a famous musician by now

=> had ................................................................................................................

22 you must tell me the whole truth or i won't help you

=> unless ...........................................................................

23 the car breaks down so often because you don't take good care of it

=> were i ....................................................................................................