题目内容

The cadets _________a new lesson when team leader came in.

A. have
B. having
C. were having
D. are having

查看答案
更多问题

——What are you doing? —— I am_______ a letter.

A. writing
B. written
C. wrote
D. write

Tom is not _______his homework now.

A. doing
B. do
C. does
D. did

______he ______it to you then?

A. Does explain
B. Did explains
C. Does explains
Did explain

We _______ a lot of homework yesterday.

A. has
B. have
C. had
D. having

答案查题题库