It was required by the headmaster that all the students        at the meeting.
#87897
A
should present
B
present
C
attended
D
be present
推荐题目
--Don't be so disappointed.I’m sure that you can do better in the next exam. --Yes, but I ____ this time.
#89035
A
should be more careful
B
could be more careful
C
should have been more careful
D
must have been more carefully
 ---- There’s no light on.   ---- They ________ be at home.
#87559
A
can’t
B
mustn’t
C
needn’t
D
oughtn’t to
We __________ our lives had it not been for the policeman.
#87961
A
would have lost
B
should lose
C
might lose
D
could have lost