Here's an email to a penpal about improving pronunciation: Dear nhung , Hope you're doing well! I've been working on improving my English pronunciation lately. To be honest, it's been a bit challenging, but I've found some methods that really help. I've started listening to English podcasts and trying to mimic the speakers' intonation and rhythm. I also record myself speaking and listen to the recordings to identify areas for improvement. Moreover, I practice speaking with native speakers online, which has been really helpful in getting feedback on my pronunciation. I'd love to hear about your experience with language learning and any tips you might have! Best, xuan

1 : She used to wear a special dress for family gatherings when she was a kid. 

2 : He usually takes notes in class because of his need to remember everything

1 : People walked to school every day because there were no cars.

2 : She is able to understand the main idea of English texts now.

3 : . I found an old photo of my aunt by chance while I was cleaning.

2x=7+x

2x-x=7

x=7

phương trình đã cho có nghiệm x =7