_______environmental damage is done, it takes many years for the ecosystem to recover.
A.Even if | B.If only | C.While | D.Once |
The old couple who _______ in the deserted house for ten years have been settled in a nursing home now.
A.lived | B.have lived | C.had lived | D.have been living |
—Why are you staring at me?
—You look stupid! The way you wear is _______ annoys others most.
A.which | B.where | C.how | D.what |
—The leaders are supposed to care about the sufferings of the people.
—Contrary to that, some of them act with their eyes _______ to the reality.
A.closing | B.closed | C.to close | D.being closed |
You should try to get a good night’s sleep _______ much work you have to do.
A.whenever | B.however | C.whichever | D.whatever |
If we buy plenty of food now, it will _______ us shopping again this week.
A.save | B.avoid | C.keep | D.prevent |