_____ several times, but he still doesn’t know how to do it properly.
A. Being shown B. Having shown
C. Having been shown D. I’ve shown him
答案
答案:D
解析:后半句有个but,前面应是一个完整的句子,而不是一个分词结构,由此可以看出,只有D项符合要求,如果去掉句中的but,应该选C。
During the examinations we are supposed to remain in our seats, fix our eyes on the papers, ________ anyone.
A. instead of speaking to B. and not to speak to
C. rather than speak D. but shouldn't speak to
________ along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.
A. Driving B. I was driving C. When I was driving D. Having driven
Computers are playing an important role in our daily life and _____ is hard to find a field where computers aren’t being used.
A. as B. which C. it D. this
Mr. Li is fond of all kinks of sports;__________.
A. as football is his favourite B. while he likes football best
C. football being his favourite D. his favourite is football, though
At last we arrived at what we called Stone Forest and up our tents.
A.set B.setting C.had set D.has set
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