题目内容
He ________ the problem ________ in his mind for a whole week before he did anything about it.?
| A.switched;on | B.kicked;up? |
| C.turned;over | D.took;on? |
C?
本题考查动词短语辨析。turn sth.over in one’s mind的意思是“仔细考虑或反复思考某事物”。?
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