The boy was doing homework while his mother dinner.
#40660
A
cooks
B
cooked
C
was cooking
D
will cook
推荐题目
Do you know when the basketball_________?
#37140
A
is invented
B
was invented
C
has invented
D
had invented
—_____ you _____ your homework yet?—Yes, I _____ it ten minutes ago.
#41508
A
Did ; do; finished
B
Have; done; have finished
C
Have; done; finished
D
Will; do; finish
---What did you look for me for, Mary? --- The boss wondered where you ___________ and how long you __________ there.
#41710
A
had been, had been
B
had gone, had gone
C
had been, had gone
D
had gone, had been
--- I didn’t see you at the party yesterday. Why? --- Because I ________ for an important person from America at that time.
#40452
A
was waiting
B
is waiting
C
will wait
D
have waited
The meeting _________ by the time I got there yesterday.
#40511
A
was on
B
has been on
C
had begun
D
has begun