—Why are you so busy, Mike ? —I ______ a novel these days.
#100418
A
was writing
B
wrote
C
am writing
D
have written
推荐题目
The skirt is too big for me. I wish I _______ it last Sunday. 
#103099
A
wouldn’t buy
B
hasn’t bought
C
didn’t buy
D
hadn’t
Look at this ! I_____some magazines and______this letter. 
#104651
A
was looking through; found
B
am looking through; find
C
looked through; had found
D
had looked through; finding
In the past,ice ______food.
#104372
A
used to keep
B
used to be used for keeping
C
was used to keeping
D
used to be used to keeping