31．-----She missed her train to London,____she didn"t seem to care．
---- Well, there is anotherl one in 15 minutes．
| A．or | B．as | C．thus | D．Yet |
A unique ______ of these rock shelters was that they were dry.
| A．feature | B．function | C．symptom | D．Pattern |
I think it’s time the police got ______ with people who drink and drive.
| A．sweeter | B．tenser | C．rougher | D．Tougher |
I have learned a lot about Asian customs, ______ in the small village for three years in the early 1990s.
| A．lived | B．to live |
| C．having lived | D．to have lived |
When he discovered that it was all ______ joke, he laughed so hard that he nearly fell to _____ ground.
| A．a; 不填 | B．the; 不填 |
| C．a; the | D．the; a |
— It was great to see you again.
— ______ .
| A．I’ll catch up with you |
| B．Be sure to keep in touch |
| C．Try to hold on |
| D．You’re getting ahead of yourself |