Susan’s parents have bought a large house with a swimming pool.It      be very expensive.
#76457
A
must
B
can
C
mustn’t
D
can’t
推荐题目
—______ is “CHINA NEWS” shown on CCTV-4? —Every day. 
#77937
A
How often
B
How many times
C
How long
D
How soon
The doctor said he _______ an operation yet.
#75873
A
need
B
needn’t
C
needed not
D
didn’t need
His shoes are muddy. He        be working in an office all day.
#63593
A
mustn ’t
B
can’t
C
needn’t
D
maybe
The young trees should ______well as often as possible.
#75249
A
be water
B
watered
C
watering
D
be watered