Thirty dollars ________ too expensive.
#86322
A
are
B
is
C
were
D
be
推荐题目
The number of college graduates in a country _____ its cultural standard nowadays.
#85841
A
reflects
B
reflect
C
are reflecting
D
have reflected
---What ____ the population of China ? ---China has a population of 1.3 ____.
#86163
A
is, billions
B
are; billions
C
is; billion
D
are; billion
