After about an hour I decided to give up the movie and ________ on my popcorn．

fix

chew

taste

concentrate

________ you’ve got a chance, you might as well make full use of it．

Now that

After

Although

As soon as

________ with the size of the whole earth, the highest mountain doesn’t seem high at all．

When compared

Compare

While comparing

Comparing

The restaurant must be crowded from ________ of cars parked in front of it．Let’s go somewhere else．

a number

the number

the amount

the members

Government reports, examination compositions, legal documents and most business letters are the main situations ________ formal language is used．

in which

on which

at what

in that

After dinner he gave Mr．Richardson ________ ride to ________ Capital Airport．

the; a

a; the

/; a

/; the

He wasn’t appointed chairman of the commitee, ________ not very popular with all its members．

to be considered

being considered

considering

having considered

There was a big hole in the road which ________ the traffic．

set back

held up

stood back

dept down

Please tell me how the accident ________．I am still in the dark．

came by

came upon

came to

came about?

My computer must be infected with virus, for it will ________ immediately when I ________．

crash; log

break; log on

die; work

crash; log on