______must be hard to explain the question. [ ]A. ThatB. ThisC. ItD. You

题型：同步题难度：来源：

______must be hard to explain the question. [ ]
A. That
B. This
C. It
D. You

答案

举一反三

They find ______ difficult ______ on real ice.[ ]
A. it; skate
B. that; to skate
C. that; skating
D. it; to skate

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____ seems that ____ not enough time to go over all the lessons before the exam.[     ]
A. It; there is
B. There; there is
C. It; there has
D. They; there have

题型：同步题难度：| 查看答案

I find it easy ___ out the math problems.    [     ]
A. work
B. working
C. works
D. to work

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I find _____.[ ]
A. not easy to master a foreign language
B. not easy master a foreign language
C. it not easy to master a foreign language
D. it not easy master a foreign language

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It"s silly        you        your car at such a low price.[     ]
A. for; to sell
B. of; to sell
C. for; sell
D. of; sell

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