A. believe B. considered C. thought D. distrusted

Many things______impossible in the past are quite common today.

A．considering

B．being considered

C．to be considered

D．considered

A. believe

B. piece

C. field

D. friend

Some scientists believe that hibernation is started by ______.

A. over-eating

B. calcium deposits

C. a body chemical

D. a lack of water

All factors______, they began to do something about the situation.

A．were taken into consideration

B．took into consideration

C．having been taken into consideration

D．having taken into consideration

As his advisor, I believe that he is bound to accomplish much at your university _________he be admitted.

A． might

B． whether

C． had

D． should

A.believe

B. focus

C. keep

D. share

A. find

B. believe

C. think

D. trust

A． anything

B． something

C． nothing

D． everything

A.A. I never think of him

B.B. It’s hard to say, actually

C.C. Sorry, I can’t remember her

D.D. No, I don’t believe it

Some officials believe bird flu spread to Africa mainly due to ______.

A. the trade of farm birds

B. the waste and liquids of infected birds

C. the fact that sortie people touched sick birds or any infected part of sick birds

D. the virus changed and started spreading in some new forms