.
-----Do you know where David is ? I couldn’t find him anywhere.
------Well. He ________have gone far-----his coat’s still here.
| A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
I wanted nothing but _____,_____ I stayed up all the night.
| A．sleep; for | B．sleep; so | C．to sleep; so | D．to sleep; for |
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
| A．acquainted | B．informed | C．known | D．advised |
Do tell me the way you think of_____ the problem as soon as possible.
| A．to solve | B．solving | C．solve | D．being solved |
------ I ‘m going to join them in the play.
------- ______.
A. Have a pleasure B. That’s a very nice of youＣ. Have fun D. Have a fun
With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.
| A．anything but | B．more or less | C．at large | D．any more |