The camera________in 1827 by Joseph Nicephore Niepce．
| A．invented |
| B．is invented |
| C．was invented |
| D．is inventing |
Our teacher asked us ______ the window closed. It was a little hot in the room.
| A．didn’t keep | B．to keep |
| C．keeps | D．not to keep |
______ bad weather! We have to stay in.
| A．How | B．How a | C．What | D．What a |
- Must I finish my homework now,Dad?
- No, you ______ . You can do it tomorrow.
| A．can’t | B．mustn’t | C．needn’t | D．mayn’t |
-I didn’t see you at the party yesterday.
-Oh, I ______ a meeting at that time.
| A．had | B．was having | C．have | D．am having |
-There ______ a school sports meet next Wednesday .
-Thanks for telling me the news.
| A．is going to be | B．is going to have |
| C．will have | D．are going to be |