I ________ my books just now, but I couldn't ________ it.

A. look; find

B. look for; find out

C. look for; find

D. find; look for

I am afraid he is no longer ________.

A. alive

B. live

C. living

D. lives

________ these books is about grammar.

A. None of

B. None

C. No one

D. No one of

The 29th Olympic Games ________ in Beijing in 2008.

A. is held

B. will hold

C. will be held

My healthy lifestyle helps me ________ good grades.

A. get

B. getting

C. geting

D. got

Stop polluting to keep the water ________.

A. cleaning

B. cleaned

C. to clean

D. clean

How long did you ________ writing this article?

A. spend

B. spent

C. cost

D. costed

Why don't you ________ in class?

A. take notes

B. to take notes

C. to write notes

D. write notes

?How do you study ________ a test?

?I study ________ watching movies.

A. for; for

B. for; by

C. by; for

D. by; by

_______ we work, ________ we feel.

A. The more; the happier

B. More; happier

C. The much; the happier

D. Much; more happier