----Must he finish the work before supper?----No, he        . He         finish it after supper.
#75961
A
mustn’t; may
B
needn’t ; can
C
need; can
D
must; may
推荐题目
--______you swim? -- No, I can’t. 
#76717
A
Can
B
May
C
Must
D
Need
—I called you at 9 last night,but no one answered.—Sorry,I ________ sleeping.I went to bed very early. 
#62284
A
need have been
B
would have been
C
must have been
D
should have been
David, you _____play with the valuable bottle; you_______ break it.
#62983
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
 –Look! The boy is running fast! –He might ______ to catch a bus.
#75241
A
run
B
running
C
is running
D
be running