Every solid object ______ reflect a sound,varying according to the size and nature of the object. 
#87543
A
must
B
shall
C
will
D
should
推荐题目
He﹍﹍the job well, but he    so careless.
#87662
A
had done; had been
B
could do; was
C
could have done; was
D
hadn’t done; had been
I am badly off. If I ______ money, I ______ a large house.
#87784
A
have; would have
B
had; will buy
C
had; would buy
D
would have; would buy
The sleeping baby would be scared _______ a sudden loud noise. 
#86894
A
was there
B
there was
C
should there be
D
there should be