—Who has taken my pen away?
—__________. He was here a moment ago.
| A．It must be Li Ping | B．It is Li Ping take |
| C．Li Ping is | D．Li Ping must take |
We all know that,, the situation will get worse.
| A．not if dealt carefully with |
| B．if not carefully dealt with |
| C．if dealt not carefully with |
| D．not if carefully dealt with |
John received an invitation to dinner, and with his work , he gladly accepted it.
| A．finished |
| B．finishing |
| C．having finished |
| D．was finished |
several time, the young scientist still kept on making his experiments.
| A．Having been failed |
| B．Having failed |
| C．Though failed |
| D．Because of failure |
--- Lucy doesn’t seem to be what she was.
--- No.so much in the war has made her more thoughtful.
| A．Seen |
| B．Her seeing |
| C．Having seen |
| D．To have seen |
--- What do you suppose made her worried?
--- a gold ring.
| A．Lose |
| B．Lost |
| C．Losing |
| D．Because of losing |