—Must I pay for the bill now, boss?—No, you __________ pay for it after the meal.
#75532
A
needn’t
B
can’t
C
may
D
should
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We ______ the difficulty together, but why didn't you tell me?
#63504
A
should face
B
might face
C
could have faced
D
must have faced
--______you swim? -- No, I can’t. 
#76717
A
Can
B
May
C
Must
D
Need