—Can you tell me if Tom has finished his homework?—I've no idea. He ________ it this morning.
#63699
A
has being doing
B
had done
C
is doing
D
was doing
推荐题目
 I hope you _______ me before you _________ to school.
#39981
A
telephone, returned
B
will telephone, return
C
telephone, will return
D
will telephone, returned
he girl sitting next to me on the plane was very nervous, for she            before.
#36660
A
hasn’t flown
B
hadn’t flown
C
didn’t fly
D
wasn’t flying
I ____my CD here and there, but I still can’t find it.
#42598
A
have looked for
B
look for
C
will look for
D
was looking for