— My sons are not a little restless．— Oh? Boys _______ be boys．
#63089
A
should
B
can
C
may
D
will
推荐题目
You ______ be serious! You’re actually going to lend him money again？.
#74743
A
needn’t
B
can’t
C
shouldn’t
D
mustn’t
Mike, please be quiet, or the other students hear me clearly.
#74243
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
You _____ hurt your stomach if drinking beer while having sea food.
#63244
A
may
B
need
C
ought to
D
shall
—Could you please have a walk with me?—Sorry, I _______. I have something important to do now.
#74182
A
mustn’t
B
needn’t
C
can’t
D
may not
—Must I return the book tomorrow?—No, you ________.You can keep it for three days.
#63361
A
mustn't
B
needn't
C
can't
D
may not