1.Did you have a cold last week?Yes, I did./No, I,didn't.2.Was he happy just now?Yse,he was./No,he wasn't.3.Did he go to shenzhen last weekend?Yes,he did./No,he didn't.4.Was it rainy yesterday?Yes,it was./No,it,wasn't.5.Were you in the park an hour ago?Yes,I was./No,I wasn't.
6.Did she like playing the piano tow years ago?Yes.she did.No,she didn't.7.Did John go back home just now?Yes,he did./No,he didn't.8.Did the students watch tv last night?Yes,they did./No,they didn't.9.Did you eat tasty food last week?Yes,we did./No,we didn't.10.Did jack play computer games this afternoon?Yes,he did./No,he didn't.