题目内容
After his operation, the old man was back ______ and he began to take exercise as usual.
| A.at his feet | B.to his feet |
| C.in his feet | D.on his feet |
D
试题分析:考查固定短语。根据句中After his operation和take exercise as usual.可以判断应该是病后恢复,短语on his feet可以指“病后复原”,所以D选项正确。句意:手术后,这个老人又重新恢复了健康并且开始像往常一样锻炼身体了。
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