Pronunciation

Câu 1
1đ

Match.

Câu 2
1đ

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Câu 3
1đ

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Câu 4
1đ
contaminate
adopt
attend
negative
Câu 5
1đ
energy
chemical
resource
select
Câu 6
1đ
success
dustbin
sustain
suppose
Câu 7
1đ
poison
business
resource
resident
Câu 8
1đ
necessary
passive
possible
assure
Câu 9
1đ
chemist
result
offer
purpose
Câu 10
1đ
affect
prevent
purchase
produce
Câu 11
1đ
separate
suggestion
organic
encourage
Câu 12
1đ
positive
appliance
dioxide
awareness
Câu 13
1đ
contaminant
material
advantageous
sustainable