"Where can I find Jim?" "He is ______ his work. He won’ t leave the lab until 6:

游客2023-11-11 9

问题 "Where can I find Jim?" "He is ______ his work. He won’ t leave the lab until 6:00 p. m."

选项 A、on
B、over
C、at
D、under

答案 C

解析 be at sth．是固定搭配，相当于be busy with sth．或be engaged in sth.，有“忙于……”的意思。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3176964.html

相关试题推荐

随机试题

最新回复(0)

Notafewexcellentproposalsbythecountriesofthethirdworldhavebeen_____