It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.
#88152
A
shall
B
will
C
need
D
may
推荐题目
If he ___ me his telephone number yesterday, I ___ able to ring him up now.
#87224
A
told, would be
B
had told, would have been
C
had told, would be
D
told, am
The captain urged that the mission ______ before dark.
#88032
A
must be finished
B
be finished
C
ought to be finished
D
was finished
___ ____ I passed the interview! ___ Good luck to you. next time!
#90116
A
If only
B
Only if
C
If
D
When
一I heard that you got an A in the chemistry exam．Well done!一Thanks，I know that you a good job as well．
#87426
A
shouId have done
B
need have done
C
must have done
D
could have done