We are busy ______ our lessons these days.

admin2009-07-17 73

问题 We are busy ______ our lessons these days.

选项 A、prepare
B、preparing
C、to prepare

答案B

解析 be busy doing忙于做某事。

转载请注明原文地址:https://kaotiyun.com/show/03cd777K

公共英语一级笔试

相关试题推荐

随机试题

最新回复(0)