We must take ________ to prevent our earth from being polluted．

ways

methods

measures

rules

________ will come to see you?

Whom do you suppose

Who do you suppose

Do you suppose whom

Who you suppose

During the chemical experiment, he told his students to ________ what had happened to the materials．

search

find out

look for

see

If only I ________ him to give up smoking!He could have been saved from the lung cancer．

had persuaded

persuade

tried to persuade

have persuaded

The ________ crowd didn’t dare to look at the ________ scene．

frightening; frightened

frightening; frightening

frightened; frightening

frightened; frightened

Children have all been ________ by the terrorists’(恐怖分子)attacks in these exciting films．

frightening

excited

frightened

bored

________ the vegetables go bad, I prefer ________ them at half of the price．

Rather than to let; selling

Rather than let; to sell

Not to letting; to sell

In order not to let; to selling

I find painting or drawing ________．

relaxing

is relaxing

relaxed

is relaxed

________ and happy, Tony stood up and accepted the prize．

Surprising

Surprised

Being surprised

To be surprising

Since then, the Great Wall has been ________, rebuilt and repaired．

added up

added up to

added to

added