The train is to start soon and Mary hasn’t turned up． What _____ have happened to her?
#63249
A
can
B
might
C
may
D
should
推荐题目
If people eat natural poisons by mistake, they ________ go to hospital without delay.
#63685
A
would
B
can
C
may
D
must
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
. (2010·江西名校模拟) —I’ve heard they went skiing in the mountains last winter. —It ______ true because there was so little snow there then.
#63673
A
may not be
B
won’t be
C
couldn’t be
D
mustn’t be
—Jim, ________ you answer the last question? -- Sorry, I can’t. It’s too hard.
#78156
A
need
B
may
C
must
D
can