—Did you arrive here this morning?—Yes,it was at nine o’clock ____we came here.
#89040
A
when
B
before
C
which
D
that
推荐题目
It is very important that you _______ for this examination.
#87091
A
would get yourself prepared
B
must get yourself preparing
C
should get yourself prepare
D
could get yourself prepared
 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