I ___________ to phone her all day, but whenver I phone her, the line is engaged.
#101328
A
tried
B
had been trying
C
have tried
D
have been trying
推荐题目
This word is wrongly spelt；a letter is _______.
#99267
A
left behind
B
left alone
C
left out
D
left off
. You must do your homework now; you ______ computer games all the evening.
#103809
A
have been playing
B
play
C
are playing
D
played
—Listen, Lily is playing the piano! —Wow, how sweet the music ______!
#101230
A
is heard
B
hears
C
is sounding
D
sounds
- I'm sorry. I ____________you _______ to me.
#104238
A
don’t know; are speaking
B
don't know; were speaking
C
didn't know; were speaking
D
didn't know; are speaking
—Can you tell me what time the flight to Detroit leaves?—I’m sorry, but it _______________.
#100400
A
has been canceled
B
had been canceled
C
has canceled
D
had canceled