--Excuse me, I don't think you can smoke here. ---Really sorry. I ______ this is a non-smoking room.
#101474
A
didn't know
B
don't know
C
have no idea
D
haven't known
推荐题目
Johnson can now operate the machine much better than he_______.
#103916
A
expects to
B
expects
C
is expected to
D
is expected
The hard life in the mountainous area he has adapted to ____ a real challenge to anyone.
#101841
A
mean
B
means
C
meant
D
meaning
It is the first time he ________ here and now it is high time that he ________ around．
#100062
A
come；should be showed
B
has come；was showed
C
has come；be showed
D
came；was showed
—Why do you look so puzzled?—Oh，I ________ over a most difficult maths problem.
#99720
A
thought
B
have thought
C
am thinking
D
think
He to go to Beijing today, but he postponed the trip when he heard that there would be a downpour at noon.
#103181
A
was intending
B
would intend
C
had intended
D
intended