.---I’m sorry, but there’s no smoking room in this section on the train. ---Oh, I _____ that, and I won’t smoke again.
#103681
A
don’t know
B
won’t know
C
didn’t know
D
haven’t known
推荐题目
——Will you come to my office when you your work? ——Sure.
#103289
A
finished
B
are finishing
C
have finished
D
will finish
I don’t know if he ____ us; if he ____, I’ll let you know.
#103662
A
will come and help; comes
B
comes and helps; will come
C
will come and help; will come
D
comes and helps; comes
—How long _______ in Shanghai?—I will be there attending a conference and giving a speech, which will take about 3 days.
#102207
A
have you stayed
B
are you staying
C
do you stay
D
did you stay
The environment will be further polluted unless some measures _____.
#100612
A
are taken
B
will be taken
C
are being taken
D
should be taken
With the help of high technology, more and more new substances ______ in the past years.
#104082
A
discovered
B
have discovered
C
had been discovered
D
have been discovered