Though there is no one in the hall, he stands on the stage as if he ____watched and expected to deliver a speech.
#87026
A
has been
B
had been
C
were being
D
is being
推荐题目
Our monitor requested that ________.
#87441
A
all the class studied more carefully the problem
B
the problem was more carefully studied
C
with great care the problem could be studied
D
all the class study the problem more carefully
You________ the work better, but you didn’t put more efforts to it.
#86713
A
must have done
B
can have done
C
should have
D
could have done