The workers are busy______the house.A、to buildB、builtC、buildingCbe busy doing

游客2025-06-27 16

问题 The workers are busy______the house.

选项 A、to build
B、built
C、building

答案 C

解析 be busy doing sth．固定搭配，忙于做某事。

转载请注明原文地址:http://tihaiku.com/zcyy/4137320.html

相关试题推荐

随机试题

最新回复(0)