Tom, you play the violin so well. But I ______ you can play the violin.
#99235
A
didn’t know
B
don’t know
C
hadn’t known
D
haven’t known
推荐题目
Although the causes of cancer ________, we do not yet have any practical way to prevent it.
#103264
A
have uncovered
B
have been uncovering
C
are uncovering
D
are being uncovered
This is the first time that I _____ at the meeting.
#102465
A
had spoken
B
have spoken
C
spoke
D
speak
--- What’s your answer, Alice? --- Sorry, I ____ to you. Could you please repeat your question, Mrs Black?
#103736
A
am not listening
B
wasn’t listening
C
haven’t listened
D
won’t listen