There were ________ different kinds of dinosaurs in the word in the past．

A．hundred of

B．two hundred of

C．hundreds of

D．two hundreds of

The magician(魔术师)Liu Qian from Taiwan ________ performed his tricks at the 2009 Spring Festival Gala(联欢会)．

A．succeeded

B．successful

C．success

D．successfully

My brother isn't at home．He ________ to Hong Kong Disneyland．

A．has been

B．went

C．has gone

D．had gone

We believe governments will ________ a better way to solve the problem of water pollution．

A．take off

B．put off

C．come up with

D．catch up with

The story ________ is very interesting, so most of us like it．

A．it

B．its

C．itself

D．it's

It's not my English book．Maybe it's ________．

A．her

B．his

C．your

D．mine

Mrs．Green is a(n) ________ woman．She hardly ever smiles．

A．friendly

B．serious

C．athletic

D．smart

There is nothing ________．

A．worry about

B．to worry

C．to worried about

D．to worry about

She isn't ________ her sister Tina．

A．more smarter than

B．so smarter as

C．more smart than

D．as smart as

They can finish ________ the famous person in half an hour．

A．interview

B．to interview

C．interviewer

D．interviewing