Even though the workers were not satisfied, they ________ to the boss finally．

gave up

gave in

gave out

gave away

He was ________ at the ________ waste of food in the school．

shocked; shocked

shocking; shocked

shocking; shocking

shocked; shocking

The doctors insisted that the patient was in danger, and that he ________ on immediately．

was operated

be operated

should operate

operated

Ladies and gentlemen, please fasten your seat belt．The plane ________．

takes off

is taking off

has taken off

took off

________ you have a large vocabulary, you will find it easy to read．

Once

Before

Unless

Even though

________ you met the foreigner from Canada?

Where it was that

Who it was that

Where was it that

Where was that

________ staying at hotels in Red River Village, tourists can help the villagers make money so that they can take ________ the river and the birds．

By; care for

By; care of

Through; care about

With; care of

Paul started hiking in 2010 and he has hiked across 11 countries ________．

ever since

from then on

right away

at once

Saving money is ________ we must do．

what that

anything that

something that

something which

________ is no good always complaining about life．At least, we are living．

It

There

This

That