问题:
The Changjiang River(长江)is ________. It is 6,300km.
A.wide
B.long
C.big
D.round
The Changjiang River(长江)is ________. It is 6,300km.
A.wide
B.long
C.big
D.round
A.wide
B.long
C.big
D.round
参考答案: