Ladies and gentlemen, please fasten your seat belts．The plane ________．

A．takes off

B．is taking off

C．has taken off

D．took off

Tom sounds very much ________ in the job, but I'm not sure whether he can manage it．

A．interested

B．interesting

C．interestingly

D．interestedly

－How about the book you are reading?

－Good indeed．It ________ many problems we have come across in our study．

A．says

B．talks

C．covers

D．refers

－I'll talk to my son Bill about it as soon as possible．He usually listens．

－We need ________ listening．We need action．

A．more than

B．less than

C．not more than

D．no more than

Hangzhou is very beautiful，________　________ words can describe．

A．not only

B．not just

C．less than

D．more than

At a rough estimate, Nigeria ________ Great Britain．

A．three times the size as

B．the size three times of

C．three times as the size of

D．three times the size of

Our city has developed into a big city, which is ________ it used to be．

A．four times larger than that

B．four times the size of

C．four times the size larger than that

D．as four times the size as that

The house rent is expensive．I've got about half the space I had at home and I'm paying ________ here．

A．as three times much

B．as much three times

C．much as three times

D．three times as much

Americans eat ________ as they actually need every day．

A．twice as much protein

B．twice protein as much

C．twice as protein much

D．protein as twice much

As is known, mobile phones make ________ possible for people to stay in touch with each other conveniently．

A．one

B．that

C．it

D．this