The pigeons are flying ________ in the sky．I can ________ see them．

A．high, hard

B．highly, hard

C．high, hardly

D．highly, hardly

There aren’t any ________ the number of golden eagles．

A．changes on

B．change on

C．changes in

D．change in

You must be very tired．Why not ________ a rest?

A．to stop to have

B．to stop having

C．stop to have

D．stop having

Preventing flood ________ happening is not the only importance ________ trees．

A．from, for

B．from, of

C．for, of

D．for, from

You may call him ________ 67778188 or e-mail him ________ Lily88@sohu.com．

A．on, at

B．on, on

C．at, at

D．at, on

I didn’t know if ________ was around and I felt ________．

A．someone, frighten

B．someone, frightened

C．anyone, frighten

D．anyone, frightened

Every year natural disasters kill ________ people．

A．three thousands

B．thousands of

C．thousand of

D．three thousands of

She was ________ in that hotel before she came here．

A．on service

B．on the service

C．in service

D．in the service

The structure of this sentence ‘The flowers look beautiful．’ Is ________．

A．S＋V

B．S＋V＋P

C．S＋V＋DO

D．S＋V＋I(xiàn)O＋DO

I have made many friends ________ I came here．

A．for

B．after

C．since

D．before