There are many birds ________ among the ...

__________ of the students likes reading. They both like playing sports.

A. None                      B. Neither                 C. All

--- The population of China is really large!

--- __________ We should take measures to control it.

A. So it is.

B. So he is

C. So is it..

--- Why should we plant more trees to protect the environment?

--- Because trees can stop the wind from ________ the earth _________.

A. washing ;away

B. blowing; away

C. changing ;into

--- Have you found your lost book_____?

--- No, I haven’t.

A. already            B. yet             C. Still

Because of the 2008 Olympic, great changes have _________ in Beijing.

A. taken place               B. improved                 C. happened