4, ⇒ People used to travel on foot.

5, ⇒ They used to make their own bread.

6, ⇒ The old sailor used to drink lots of whisky.

7, ⇒ Mr.Smith used to smoke cigars.

8, ⇒ Bill used to work very hard.

9, ⇒ Dennis used to give up smoking .

Chúc bạn học tốt!

II. Rewrite the following sentences, using ''USED TO'' or ''DIDN'T USE TO''. 

4. people used to travel on foot

5. they used to make their own bread 

6. the old sailor used to drink lots of whisky 

7. mr.smith used to smoke cigars

8. bill used to work very hard 

9. dennis used to give up smoking 

       -answer by jane-

doneat3:29pm

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p/s : vote và chọn ctlhn cho mình nha >< (mấy câu trên thì mình chưa chắc lắm ;_;)