---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing. 
#76806
A
can’t
B
mustn’t
C
needn’t
D
may not
推荐题目
Some of my classmates _________ after school every day.
#77681
A
walks home
B
walk home
C
walk to home
D
goes home
There ______ little water in the river.
#77486
A
be
B
am
C
is
D
are
She __________ have left school, for her bike is still here.
#63156
A
can’t
B
wouldn’t
C
shouldn’t
D
needn’t
Jim has a _____. He is going to the USA to visit his sister.
#77041
A
two-months holiday
B
two months’ holidays
C
two-month holiday
D
two months holiday