— Who’s that man over there standing in the garden? Is it Mr. White?—It __________ be him. He has gone to Shanghai on business. 
#74578
A
shouldn’t
B
may
C
can’t
D
must
推荐题目
In our town, wood can ___________ a fire.
#62834
A
be used to make
B
be used to making
C
use to make
D
used to making
I told Sally how to get here, but perhaps I ___ for her.
#63323
A
had to write it out
B
must have written it out
C
should have written it out
D
ought to write it out