While Helen _________the piano, her mother came in. [ ]A. was play

题型：同步题难度：来源：

While Helen _________the piano, her mother came in.           [     ]
A. was playing
B. is playing
C. played
D. plays

答案

举一反三

When my father got home, I ______ a letter to my friend. [     ]
A. write
B. am writing
C. wrote
D. was writing

题型：同步题难度：| 查看答案

--I called you at half past nine this morning, but there was no answer.
--Oh, sorry, I ______ with my cousin in the supermarket.[     ]
A. shop
B. was shopping
C. shopped
D. will shop

题型：同步题难度：| 查看答案

-Dick gave me a note while I __________ in the library.
-I guess he made it to say "Sorry" to you.[ ]
A. am reading
B. was reading
C. reads
D. will read

题型：同步题难度：| 查看答案

I first met Meg two years ago when we _____ at a TV station together.[     ]
A. have worked
B. had been working
C. were working
D. had worked

题型：期末题难度：| 查看答案

The police_________the thief at this time the day before yesterday. [ ]
A. were catching
B. are catching
C. was catching
D. is catching

题型：同步题难度：| 查看答案