—Look! A book is on the floor. Whose is it?—It ______be Rick's. It has his name on it.
#76529
A
mustn't
B
can't
C
must
D
need
推荐题目
—I’m sorry. I at you at the other day.— Forget it. I was a bit out of control myself.
#63326
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted
Two weeks ago, I bought a bicycle. If you live in town, it is often faster than a car and you worry about parking.
#63007
A
must not
B
should not
C
don't have to
D
may not
—Look, someone left a book.—Oh, yeah … This book ________be Kitty’s. Only she likes to read this kind of books.
#74186
A
can
B
must
C
may
D
might
—May I smoke here，please?—I am afraid you ．This is a non-smoking area．
#77581
A
can
B
can’t
C
may
D
may not
I’m as busy as a bee；________ you bother me with so many questions now?
#62283
A
may
B
must
C
can
D
shall