A robot is a machine ________ to do jobs that ________ usually performed by humans．

A．designed; are

B．designed; is

C．being designed; are

D．to be designed; is

It's said that about a quarter of ________ Danish can speak ________ second foreign language besides their native languages．

A．/; the

B．/; a

C．the; the

D．the; a

According to some local old men, the Earth Buildings of Yongding ________ the 1800 s．

A．are dated back to

B．date back to

C．were dated back to

D．dated back to

Fortunately, rescuers were able to gain ________ to the disaster-hit area soon enough．

A．track

B．access

C．means

D．passage

________, we went to spend our holidays in Hawaii．

A．Work finished

B．Work finishing

C．After work finished

D．After work finishing

The results of the school sports meeting will be ________ soon．

A．given out

B．given away

C．given off

D．given in

According to a report, cigarette smoking ________ in all indoor public places in China already．

A．will ban

B．has banned

C．will be banned

D．has been banned

Robert is indeed a wise man．How often I have regretted ________ his advice．

A．to take

B．not to take

C．taking

D．not taking

They urged that the library ________ open during the vacation．

A．was kept

B．would be kept

C．is kept

D．be kept

Does the way you thought of ________ the water clean make any sense?

A．making

B．to make

C．how to make

D．having made