---The population of Henan ___________ very fast.---I agree. The population problem may be one of the most serious ones today.
#44244
A
are growing
B
grew
C
is growing
D
is grown
推荐题目
A number of students ______ playing on the ground but I don't know what the exact number______.
#43873
A
are; is
B
are; are
C
is; is
D
is; are
Either you or one of your students________ to attend the meeting that is due tomorrow.
#85657
A
are
B
is
C
have
D
be