Thanks to the policy,great changes _____ in Kaixian in recent years.

A.took place B. have taken place

C. happened D. was happened

-Hello! Can I speak to Bill? -Sorry, he isn’t in. He ______ Macao on business.

A. has gone to B. has gone

C. has been to D. has been

- How long has David’s grandfather ______? -About two months.

A.bought the car B.left China

C. been dead D.joined the club

She has worked in this factory ______ she came here in 2010.

A. when B. since C. for D. from

- I like reading story books. - _______.

A. So does Lily B. Lily does so

C. So did Lily D. Lily did so

-_____ 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