Martin and his friends didn't eat up all the food they ordered, ________ they took the rest away．

A．for

B．or

C．so

D．as

Pudong International Airport is one of    airports in the world．

A．big

B．bigger

C．biggest

D．the biggest

The baby feels ________ while his mother holds him in her arms．

A．save

B．safe

C．safely

D．safety

I can't connect my computer to the Intemet．There must be ________ wrong with it．

A．something

B．everything

C．anything

D．nothing

You really don't have to worry ________ your weight．You look just right．

A．for

B．from

C．with

D．about

We have decided to try ________ best to raise more money for the local charity．

A．us

B．our

C．we

D．ours

Could I have an early morning call ________ six o'clock tomorrow?

A．on

B．to

C．at

D．in

________ information he offered us! We all thank him．

A．What useful

B．What useless

C．How useful

D．How useless

The film ________ since half an hour ago．

A．has been on

B．has begun

C．has been begun

D．began

The first thing ________ my brother is going to do this afternoon is to write a letter．

A．which

B．that

C．why

D．who