Đề tài về môi trường :

- So sánh môi trường trong quá khứ và hiện nay.

1. In the past, the air was fresh and good for our health but now it is polluted because of cars, factories, even people.

2. In the past, people knew how to safe water but now, people use water wastefully.

3. In the past, people used paper bag to carry things but now, people often use plastic bag instead of that.

Mình gửi bạn nhé! Chúc bạn học tốt!
Quá khứ:Anne is going to join us ,  as it was agreed last week
Don’t lose your passport, as I did it last year
Last week, Fred ate three times as many oysters as Bob

Hiện tại: My room is as wide as his
Tom is as tall as my brother
She is the most beautiful girl in my class