---Has Tom finished his job yet? ---I have no idea of it; he _____ it this morning.
#103678
A
has been doing
B
had been doing
C
did
D
was doing
推荐题目
--- Will you attend the meeting this afternoon? --- But I told anything about it.
#103058
A
wasn’t
B
am not
C
haven’t been
D
won’t be
The scientist __________ the experiment for half a year, but he _______ yet.
#102041
A
made; didn’t succeed
B
made; hasn’t succeeded
C
was making; didn’t succeed
D
has been making; hasn’t succeeded
It is the first time that I ＿＿＿ this kind of moon cake.
#101854
A
enjoyed
B
have enjoyed
C
enjoy
D
enjoying
Without this year’s Nobel Prize in physics winner Charles Kao’s idea of fibrotic（光纤的）communications, the “modern” telephone and Internet _________impossible．
#103582
A
will be
B
were to be
C
should be
D
would be
—Can I help you，sir?—Yes，I bought this radio here yesterday，but it______.
#103923
A
didn’t work
B
won’t work
C
can’t work
D
doesn’t work