In order to find ________ better job, he made up his mind to study ________ second foreign language．

A．the; a

B．a; a

C．the; the

D．a; the

It is said that walking is one of the best ways for a person to ________ healthy．

A．reserve

B．preserve

C．stay

D．obtain

We hope the bridge ________ the road ________ will be completed as soon as possible．We can't bear the inconvenience any more．

A．of; carried out

B．to; being carried out

C．on; to be carried out

D．to; carrying out

According to the rules of the factory, you can ask for leave ________ you have a doctor's diagnosed note．

A．now that

B．on condition that

C．unless

D．even though

Bob is in a hopeless situation, ________ we will keep a very close eye on．

A．which

B．where

C．that

D．when

The life of a high school student is usually active, exciting and full of fun, but it ________ be stressful sometimes．

A．must

B．can

C．need

D．should

In the past decades, sea ice ________ in the Arctic as a result of global warming．

A．had melted

B．has been melting

C．melted

D．is melting

Talking with Premier Wen face to face was an unforgettable moment, ________ the low-income families always treasure．

A．it

B．that

C．what

D．one

The rich man thought money was everything and it never occurred to him that happiness might be more ________．

A．disastrous

B．invaluable

C．impressive

D．annoying

We're all ready to put it into operation, ________, we are going to take action as fast as possible．

A．in other words

B．on the whole

C．in general

D．in conclusion