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

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

admin2010-05-25  2
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 题型：语法类试题(介词搭配)。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://kaotiyun.com/show/Lb1K777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)