—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
It be difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.
#63304
A
mustn’t
B
ought to
C
needn’t
D
can’t
—Excuse me, Mr. Brown. ______ you speak Chinese?—Yes, butt only a little.
#63048
A
Shall
B
Must
C
May
D
Can
Look at the sign! It says: You______ park your cars here.
#74232
A
mustn’t
B
needn’t
C
shouldn’t
D
can’t
--Why are your eyes so red? You _______ have slept well last night.---Yeah, I stayed up late writing a report.
#62948
A
can't
B
mustn't
C
needn't
D
won't