Mr. Wang decided to devote all his time_______ his spoken English before going abroad.
| A．improve | B．to improve | C．improving | D．to improving |
Such animals as dinosaurs died out because they couldn’t ____ to the sudden change of the climate.
| A．suit | B．keep | C．adapt | D．switch |
—The work will take me another week. I’m really tired.
—I think you ___
__ as well consult an experienced worker.
| A．may | B．can | C．need | D．must |
—Excuse me, but I want to use your computer to type a report.
—You _____ have my computer if you don’t take care of it.
| A．shan’t | B．might not | C．needn’t | D．shouldn’t |
_____, Carolina couldn’t get the door open.
| A．Try as she might | B．As she might try |
| C．She might as try | D．Might she as try |
So absorbed _____ in her work that she didn’t realize I was behind her.
| A．did she | B．was she | C．she did | D．she was |