—Happy birthday!
—Thank you! It's the best present I________ for.
| A．should have wished | B．must have wished |
| C．may have wished | D．could have wished |
-I need to put a cross on the map to show ____ that famous hotel is.
-____? Mary’s done it already.
| A．where; Why bother | B．wherever; How come |
| C．what; What for | D．whatever; So what |
When ____ to danger and conflict, men tend to increase blood pressure, ____ nervous or anxious.
| A．exposed; felt | B．exposing; felt |
| C．exposed; feeling | D．exposing; feeling |
-Why are you still here? Everybody has gone to attend the lecture by the president.
-Oh, I ____ about it!
| A．didn’t inform | B．hadn’t been informed |
| C．haven’t informed | D．wasn’t informed |
I don’t think David could have done such a stupid thing last night, ____?
| A．did he | B．didn’t he |
| C．do I | D．don’t I |
Measures must be taken to prevent pollution ____ happily.
| A．from we live | B．for us to live |
| C．us living | D．from our living |