–Where are the students? How could they keep us waiting for so long? –They started an hour ago and they ____ be here in fifteen minutes, I think.
#87940
A
can
B
would
C
should
D
must
推荐题目
It was Mr Zhang that helped us out of the trouble. Without his help, we ______ it so easily.
#87545
A
can’t manage
B
mustn’t have managed
C
couldn’t have managed
D
couldn’t manage
I the wonderful World Cup final of 2010 live on TV, but this summer vacation I missed it.
#87960
A
could have watched
B
might watch
C
must have watched
D
need have watched
The flower is dead. I ___ it more water.
#86699
A
will give
B
ought to give
C
could have given
D
ought to have given
I would rather she_____ here tomorrow because I’m too busy.
#86735
A
will come
B
would come
C
had come
D
came
They________have arrived at lunchtime but their flight was delayed.(2011·全国 )
#86368
A
will
B
can
C
must
D
should