—Don't use my handkerchief to wipe the table，gentleman.
—Oh, I' m very sorry.I________clearly.
| A．didn't see | B．hadn't seen |
| C．wasn't seeing | D．can't see |
. –Do you mind if I turn off the radio?
– ________. The good news will be on in a few minutes.
| A．Of course not. | B．I’m afraid I do. |
| C．Why not? | D．Yes, just go ahead. |
All of you ____ at the school gate! We’ll soon start.
| A．are gathering | B．will gather | C．have gathered | D．gather |
Look! That fellow is too sleepy to work. He ______ up reading until midnight.
| A．mustn't stay | B．mustn't have stayed |
| C．ought not to stay | D．should not have stayed |
. _________ in the regulations that all the people involved should follow the instructions.
| A．What is required | B．What requires |
C．It is required | D．It requires |
Though we spent a lot, we think it _____ because we succeeded in the end.
| A．worth | B．worth being spent |
| C．worthy of | D．worthwhile |