题海让大学四年没有难题
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题目详情

单选题 — What is Lulu doing? — She is practicing singing. She ( ) all day for the concert tonight

A. prepared

B. had prepared

C. has been preparing

D. has prepared

大学英语II(专科)课程封面

学科:大学英语II(专科)

时间:2026-05-08 10:55:45

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