1. They were in Rio last summer

(-) They weren't in Rio last summer

(?) Where  were they last summer?

2. We did our exercise this morning

(-) We didn't our exercise this morning

(?) What did we do this morning?

3. My parents came to visit me last July

(-) My parents didn't  come to visit me last July 

(?) When did they come to visit me?

4. The hotel was very expensive

(-) The hotel wasn't very expensive

(?) What was the hotel?

5. I had a bycle when I was young

(-) I hadn't a bycle when I was young

(?) When did I get a bicycle?

6. The children went to the zoo yesterday

(-) The children didn't go to the zoo yesterday

(?) When did the children go to the zoo?

chúc bn học tốt

1.They weren't in Rio last summer

2.We didn't do our excercise this morning

3.My parent didn't come to visit me last July

4.The hotel wasn't very expensive

5.I didn't have a bicycle when I was young

6.The children didn't go to the zoo yesterday

  Đáp an đây nhé

  Chúc bạn hoc tốt :)!