A. the longest river

B.longest river

C.the longest rivers

D.longest rivers

The Changjiang River is one of             in the world.

A. the longest river                    B. the longest rivers   

C. the longer river                    D. longest river

The Changjiang River is one of ____________ in the world.

A. the longest river　　

B. the longest rivers　　

C. the longer river　　

D. longest river

The Changjiang River is one of ________ in the world.

A．the longest river    B．the longest rivers    C．the longer river     D．longest river

The Changjiang River is one of ________ in the world.

[　　]

A．the long river　　　    　B．the longest river

C．the longest rivers　　   　D．the larger rivers