--- I stayed at a hotel while in New York .--- Oh, did you? You ____ with Barbara.
#88941
A
could have stayed
B
could stay
C
would stay
D
must have stayed 
推荐题目
But for their help,we ______ the program in time.
#90428
A
can not finish
B
will not finish
C
had not finished
D
could not have finished
There was a traffic jam; otherwise I ____ here on time.
#87428
A
would be
B
had been 
C
should be
D
would have been
 It is required in our school that lights in students’ rooms ______ off by 11o’clock.
#87254
A
be switched
B
would switch
C
should switch
D
must be switched
The professor ________at 8 o’clock,but he has not shown up yet,which worries all of us.
#86762
A
was supposed to arrive
B
must have arrived
C
might have arrived
D
was supposed arriving