The boy was doing homework while his mother      dinner.
#40660
A
cooks
B
cooked
C
was cooking
D
will cook
推荐题目
Tell Tom to call me as soon as he ________ .
#42195
A
will arrive
B
gets there
C
has gone
D
reach here
While she ______ the newspaper, Granny ______ her.
#39657
A
read; was telephoning
B
is reading; telephoned
C
was reading; telephoned
D
read; telephone
I used to be crazy about the film when I was young, but I ____ it that way any more. 
#39571
A
don’t feel
B
didn’t feel
C
haven’t felt
D
hadn’t felt