题目内容
This dictionary is of great use, which can help you ________ many problems about words and idioms.
- A.keep up
- B.clear up
- C.look up
- D.take up
B
clear up意为“解决,解答”;而keep up和take up分别表“保持”和“从事”;look up虽表“查阅”,但其主语应为人,所以,A、C、D三项均不合题意。
clear up意为“解决,解答”;而keep up和take up分别表“保持”和“从事”;look up虽表“查阅”,但其主语应为人,所以,A、C、D三项均不合题意。
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