---Could I go boating this weekend, Dad?---Yes, you ________. But you ________ come back before lunch.
#74541
A
could; must
B
can; must
C
could; should
D
must; should
推荐题目
Something terrible have happened if Li Chang was not coming to eat in his restaurant as he always did.
#62998
A
ought to
B
must
C
should
D
will
-Shall I take my swimming suit? -No, you ______. We will just go hiking on the mountain.
#75245
A
mustn’t
B
couldn’t
C
needn’t
D
can’t
—Must I water the flowers now? —No, you ________ . You __________ do it later.
#74201
A
mustn’t, must
B
mustn’t, may
C
needn’t, may
D
needn’t, must
—I wonder why Susan looks worried today. —I’m not sure, but she _____a small accident driving here.
#62614
A
could have
B
might have
C
might have had
D
must have had