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-_____ is the population of America?

-I don’t know. But I know it’s ______ than that of China.

A. What; smaller B. What; less

C.How much; smaller D. How many; less

-Is this kind of digital camera made of steel?

-Yes, and it's widely used ______ taking photos.

A. as B. for C. from D. of

____of the students in my school ______ boys.

A. Two fifths; is B. Two fifths;are

C. Two fifth; are D. Two fifth; is

-____ Kate ____ Ann has joined the music club because they have no time.

-It’s a pity!

A.Not only; but also B.Both; and

C. Either; or D. Neither; nor

-Why are you so happy today?

-Because I ______ to London with my parents tomorrow.

A. flew B.fly C. have flown D. am flying

- I have no idea ____tell her the bad news.

-I think tomorrow is the best time.

A. how to B. how C. when to D. when

Every year _____visitors go to enjoy music and dance on Broadways.

A. two millions B. two millions of

C.million of D. millions of

-Our government is doing _______ to protect the environment. -That’s great.

A. something useful B. anything useful

C. useful something D.useful nothing

-Do you plant trees in spring, Mike?

-Yes. Many trees ______ in our city every year.

A. are planting B.plant

C. have planted D. are planted

I don’t want to have a rest ______ I’m tired now.

A. although B. but C. until D. because