一Did they take any photos? 一______．
| A．No，they didn't | B．No，they did |
| C．No，they aren't | D．No，they weren't |
The woman asked the policeman where ________.
| A．the post office is | B．the post office was |
| C．is the post office | D．was the post office |
–Do you mind if I turn on the TV? --________. My father is sleeping.
| A．Better not. | B．Not at all. | C．No, I don’t mind. | D．That’s all right. |
Betty will ring me up when she ________ in Beijing.
| A．arrive | B．arrives | C．arrived | D．will arrive |
We don’t know ________ it next. Let’s go and ask Mr. Li.
| A．what to do | B．to do what | C．whether to do | D．to do whether |
I’m glad to find that many trees ________ in our city last year.
| A．plant | B．planted | C．were planted | D．are planted |