---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it. 
#41859
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
has done; hadn’t finished
推荐题目
It’s ten o’clock. Betty _______ piano.
#42454
A
is playing
B
plays
C
is playing the
D
plays the
 His father           Beijing. He is staying there for two days.
#39906
A
is leaving
B
is leaving for
C
is going
D
is
--Could you tell me when Mr. Li ______ in Beijing?--Sure. When he _____, I ’ll call you. 
#36954
A
arrives;will arrive
B
will arrive; arrives
C
arrives; arrives
D
will arrive; will arrive
Her uncle likes playing basketball, he often      it on Sundays, but now he        .
#40464
A
plays, is fishing
B
is playing, fishing
C
play, is fishing
D
playing, fishing