— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear! She ______ a lot of difficulties!
| A．may go through | B．might go through |
C．ought to have gone through | D．must have gone through |
I would have called you up for help had it been possible, but I your phone number then.
| A．hadn’t had | B．didn’t have | C．shouldn’t have | D．couldn’t have |
So absorbed in her work that she didn’t realize it was time to pick up her daughter.
| A．she was | B．was she | C．did she | D．she did |
My parents don’t care my pocket money goes, but one thing is sure: the money spent must be worthwhile.
| A．why | B．when | C．where | D．how |
The big earthquake struck, and the island was immediately from the world.
| A．cut down | B．cut out | C．cut in | D．cut off |
Many people have telephoned the travel agency, for further information about a tour to Taiwan.
| A．asked | B．to ask | C．asking | D．having asked |