Mary is busy ______ for her final exam.

admin2009-05-04  19

问题 Mary is busy ______ for her final exam.

选项 A、preparing
B、prepare
C、prepared
D、prepares

答案A

解析 本题考查短语be busy doing sth.的用法,表示“忙于做某事”。
转载请注明原文地址:https://jikaoti.com/ti/AUAsFFFM
0

最新回复(0)