题目内容
The scientists are beating their brains trying to ________ with a solution to the problem.
- A.end up
- B.come up
- C.catch up
- D.put up
B
考查动词短语。本句话的意思为科学家们正绞尽脑汁地想找到一个解决问题的办法。end up with用……结束;come up with提出,拿出;catch up with赶上;put up with忍受。
考查动词短语。本句话的意思为科学家们正绞尽脑汁地想找到一个解决问题的办法。end up with用……结束;come up with提出,拿出;catch up with赶上;put up with忍受。
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