He is believed____________ in at his office on his way home.
| A．dropping | B．to have dropped |
| C．having dropped | D．to be dropped |
There was ______ time _____ Chinese used foreign oil.
| A．/; when | B．a; while | C．a; when | D．/; while |
--- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?
--- Yes, but I _____ her husband first.
| A．should have told | B．shouldn’t have told |
| C．must have told | D．needn’t have told |
I don’t think she is a nice woman; I am ______ her empty talk.
| A．grateful for | B．tired of |
| C．crazy about | D．concerned about |
The rain ______ the beauty of the West Lake. It looked more attractive.
| A．added to | B．added | C．added up to | D．added up |
these
| A．through | B．thank | C．that | D．thunder |