Curious about the world around him, my son__   __ask me endless questions when he was young.
#63640
A
could
B
might
C
should
D
would
推荐题目
— Will you stay for lunch?— Sorry, I ______. My brother is coming to see me.
#77480
A
needn’t
B
can’t
C
shouldn’t
D
mustn’ t
 This book _____ Lucy’s. Look! Her name is on the book cover.
#75339
A
must be
B
may be
C
can’t be
D
mustn’t be
—Catherine,  I have cleaned the room for you.—Thanks. You_______ it.  I could manage it myself.
#62965
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done