- Mr Jackson, __ we go rock climbing? m Yes, but you must use ropes.
#77373
A
must
B
should
C
need
D
can
推荐题目
You'd better ____ football in the street.
#75999
A
play
B
not play
C
not to play
D
plays
--Whose T-shirt is this? --It ____ be John’s. It’s ______ small for him. 
#74475
A
can ’t; much too
B
can ’t; too much
C
mustn’ t; much too
D
mustn’t; too much
You ______ be hungry already—you had lunch only two hours ago!
#75956
A
wouldn’t
B
can’t
C
mustn’t
D
needn’t