It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off. 
#90290
A
may
B
can
C
will
D
shall
推荐题目
--Were you in time for the meeting?-- If I _________earlier, I would have .
#87184
A
was told
B
had been told
C
were to be told
D
should be told
He ignored the neighbor's request that ________ less noise at night.
#87273
A
he would make
B
he could make
C
he make
D
he made
_____ to do the work, I should do it some other day.   
#89407
A
If were I  
B
I were 
C
Were I 
D
Was I