In our school library, there       a number of books on science and the number of the books        growing larger and larger. 
#54293
A
is, are
B
are, is
C
have, is
D
are, are
推荐题目
I feel my heart ______ fast now.
#53846
A
beated
B
beating
C
beat
D
to beat
Where __ Lily and Lucy from?
#59686
A
does
B
do
C
are
D
is
Although you have lots of difficulties, you must _______your work.
#61603
A
carry on with
B
carry out with
C
carry away on
D
carry over