Since Tom              downloaded a virus into his computer, he can not open the file now.

A．readily

B．horribly

C．accidentally

D．irregularly

At minus 130 ℃, a living cell can be            for a thousand years.

A．spared

B．protected

C．preserved

D．developed

The traditional view is           we sleep because our brain is “programmed”to make us do so.

A．when

B．why

C．whether

D．that

             he referred to in his article was unknown to the general reader.

A．That

B．What

C．whether

D．that

Small sailboats can easily torn over in the water            they are not managed carefully.

A．though

B．before

C．until

D．if

His movie won several awards at the film festival,            was beyond his wildest dream.

A．which

B．that

C．where

D．it

The Town Hall              in the 1800’s was the most distinguished building at that time.

A．to be completed

B．having been completed

C．completed

D．being completed

There is nothing more I can try            you to stay, so I wish you good luch.

A．being persuaded

B．persuading

C．to be persuaded

D．to persuade

After a knock at the door, the child heard his mother’s voice           him.

A．calling

B．called

C．being called

D．to call

Pop music is such an important part of society                it has even influenced our language.

A．as

B．that

C．which

D．where