—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere.
#63263
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; mustn’t have thrown
推荐题目
—Are you coming for dinner? —I’m not quite sure. I ______ go to my uncle’s instead.
#62241
A
must
B
would
C
should
D
might
—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.
#76568
A
must; can’t
B
must; mustn’t
C
may; shouldn’t
D
may; mustn’t
—Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.
#62546
A
can have instructed
B
must have instructed
C
must be instructing
D
will be instructing
—I heard they went skiing in the mountains last winter. —It true because there was little snow there.
#62253
A
may be not
B
won’t be
C
couldn’t be
D
mustn’t be
The students be in the classroom because there are lights in it.
#75790
A
can
B
must
C
can’t
D
mustn’t