– I ran 10 miles last weekend. Can you believe that? – Wow, that ______ easy!
#62638
A
mustn' t be
B
mustn't have been
C
can't have been
D
couldn’t be
推荐题目
—Will you please answer the door? It ________ be your sister.—Sorry, I ________. I’m feeding the rabbit.
#74502
A
must; mustn’t
B
may; can’t
C
will; can’t
D
must; needn’t
You can not imagine that a well-behaved gentleman _______be so rude to a lady.
#63350
A
might
B
need
C
should
D
would
The doctors are doing all that they _____, but the old man is still not breathing properly.
#62988
A
shall
B
need
C
may
D
can
It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
#63464
A
would
B
can
C
should
D
must
I’m as busy as a bee；________ you bother me with so many questions now?
#62283
A
may
B
must
C
can
D
shall