Not only oral English but also written English _____ important.

A.is       B.are     C.was     D.were

Weixin（微信）   chatting on the mobile phone by many people, and it’s very helpful.

A. is used for  B. is used to

C. is used as   D. is used by

—How many students are there in the classroom?

—_____ I don’t know where they have gone.

A.No one. B.None. C.Nobody. D.Nothing.

The rubbish _____ is produced every day is becoming a serious problem in cities around the world.

A. what      B.that       C.who       D.whose

More and more trees were cut down. _____, many animals are dying out.

A.In the end    B.So that   C.As a result  D.At last

We should often keep _____ touch with each other, because we are good friends.

A.on    B.to      C.in      D.up

Everyone knows that a desk is made     wood and paper is made     wood, too.

A. of , of  B. of , from   C. from , from  D from,of

—Do you know _____?

—Sorry, I don’t know.

A.what’s the population of Japan

B.what the population of France is

C.how much of the population of Japan is

D.how many is the population of France

____ the morning of December 1st, 2006, the 15th Asia Games ___ in Doha(多哈).

A.In; held B.On; was held

C.At; held  D.For; were held

There are fifty students in our class, _____ of us _____ football.

A.two third; likes B.two three; like

C.two thirds; likes  D.two thirds; like