题目内容


She ______his number in her phone book to ______that she had got the right number.
A.looked for , be certainB.picked up , make sure
C.picked out , be sureD.looked up, make sure
D
本题考查短语辨析。句中look up查询;make sure保证。句意:她在她电话簿查询他的号码,目的是保证她得到正确的号码。
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