—Is there anything else I can get for you except the book? — No. That _____ be it. Thanks a lot.
#4600
A
could
B
must
C
should
D
might
推荐题目
Just as music as a universal language, _____. 
#5004
A
so it is a mirror of the time
B
as a mirror of the time
C
it is also a mirror of the time
D
so is a mirror of the time
Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
#4678
A
producing
B
having been produced
C
to be produced
D
produced