she looked up the number in the phone book to _______ that she got it right.
A. work out B. try out
C. make sure D. think about
人气：336 ℃ 时间：2019-10-11 16:47:22
解答
选C
解析：首先你要明白这句话的额意思：他查找电话本,以确保她是对的
work out 想出；解决 try out试验；试用 think about 考虑 ；很明显这三个不合题意
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