If we pollute the water,we will have no fresh to use.

2.This is the car which was bought by my uncle last week.

3.if he has free time,he will go on a picnic with us last week.

4.It is the book which she want to read..

5.If we cut down trees in the forests,there will be big floods every year

6.That is the pen which was bought by my sister yesterday..

7. She went home early because she was tired yesterday.

8.He passed the exam because he studied hard last year.

9.Lan is happy because she gets good marks on Math.

10.He is late for class today because he got up late.

           XIN CÂU TRẢ LỜI HAY NHẤT Ạ 

1. If we pollute the water,we will have no fresh to use

2.This is the car which was bought by my uncle last week

3.if he has free time,he will go on a picnic with us last week

4.It is the book which she want to read

5.If we cut down trees in the forests,there will be big floods every year

6.That is the pen which was bought by my sister yesterday

7. She went home early because she was tired yesterday

8.He passed the exam because he studied hard last year

9.Lan is happy because she gets good marks on Math

10.He is late for class today because he got up late

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