--- I’m sure Andrew will win the first prize in the final.
--- I think so. He ____ for months.
| A．is preparing | B．was preparing |
| C．has been preparing | D．had been preparing |
相关试题
Most Americans would prefer to keep their problems _____themselves, and solve their problems ______ themselves.
| A．to; by | B．by; to | C．for; to | D．in; on |
I was ___ the point of telephoning him when his letter arrived. 
| A．in | B．to | C．at | D．on |
Everybody was touched ____words after they heard her moving story.
| A．beyond | B．without | C．of | D．in |
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