Although they had signed the peace treaty, they were______preparing for a renewe

游客2023-10-17 40

问题 Although they had signed the peace treaty, they were______preparing for a renewed offensive.

选项 A、occupied
B、busy
C、engaged
D、involved

答案 B

解析 be busy(in)doing忙于做…，可省略介词in；be occupied in doing，be engaged in doing，be involved in doing均不可省略介词in。

转载请注明原文地址:https://tihaiku.com/zcyy/3106591.html

相关试题推荐

随机试题

最新回复(0)

Althoughheiswarm-heartedenough,hekeepspeople__________.A、inhiswayB、bey