He ______ a well-wished but unsuccessful campaign to ease East-West tensions calling for arms reduction and a summit of the nucl

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问题 He ______ a well-wished but unsuccessful campaign to ease East-West tensions calling for arms reduction and a summit of the nuclear powers.

选项 A、embarked on
B、reckoned on
C、caught on
D、dwelt on

答案A

解析 embark)从事,着手[( + on/in/upon)]They embarked on a campaign to get people to vote. ; reckon on依赖You can always reckon on me.; catch on①抓牢, The girl kept catching on to her mother’s skirt.②理解,I don’t quite catch on to what she is saying. ③流行It is a nice song and I think it will catch on quickly; dwell on ①老是想着You should not dwell too much on your past failures.②详细论述She did not dwell on the details of the matter.
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