The American girl has a good          of Chinese and can express herself freely in the language.
#6397
A
item
B
series
C
command
D
usage
推荐题目
We are short of money, so every coin ______ now.
#6326
A
counts
B
values
C
worth
D
prices
The country’s    is based on trade.
#6899
A
wealthy
B
wealth
C
possession
D
possessor