The police still haven’t found the lost child, but they’re doing all they             .
#63627
A
can
B
may
C
must
D
should
推荐题目
 —Can your friend sing?--______.
#74774
A
Yes,I can
B
Yes, he can
C
No,she can
D
No,I can’t
His shoes are muddy. He        be working in an office all day.
#63593
A
mustn ’t
B
can’t
C
needn’t
D
maybe
I have two brothers. One is a teacher, _________ is a doctor.
#78051
A
another
B
other
C
others
D
the other
She doesn’t ______ a new dictionary because she bought _____ a week ago.
#77274
A
need to buy, one
B
need buy ,one
C
need to buy ,it
D
need buy ,it