题目内容
What ______ he doing at 8 last night?A. are B. were C. was D. is
答案:C
解析:
解析:
| 表示在过去的某个时间点正在做的事情,故要用过去进行时;而主语为he,因此系动词用was。
|
练习册系列答案
相关题目
-- What __________ he do?
-- He __________ an actor.
-- He __________ an actor.
| A.is, is | B.does, does | C.does, is | D.is, does |