题目内容
I_____the problem _____in my mind for a whole week before I did anything about it.
A. switched; on B. kicked; up C. turned; over D. took; on
C
解析:
题意:在采取措施之前,我在脑中将这个问题反复思考了一个星期。turn over 仔细考虑;switch on把开关打开;kick up引起;take on呈现、雇用、承担。
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