How ________ I help them to understand when they don’t listen?
#63202
A
must
B
dare
C
can
D
may
推荐题目
— _______ we clean the classroom at once?  — No, you _______. You _______ clean it after school. 
#78132
A
Must; needn’t; may
B
Must; mustn’t; can.
C
Shall; can’t; must
D
Need; mustn’t; may
----:     I get up at five o'clock tomorrow morning?----:  No, you     .
#75983
A
Must; can't
B
Must; needn't
C
Can't; can
D
Must; shouldn'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