UNESCO was established to encourage collaboration _______ nations in the areas ______ education, science, culture, and communication.

He is the man ______ car was stolen last week.

Points will be added to the Entrance Examination scores for those who hold an excellent high school__________.

The greater the demand, _______ the price.

_______ yet?

More and more people were moving to Glasgow as they found it _________ to earn a living there.

You aren’t allowed to drive your car in the city centre at _________ rush hour because there is too much traffic then.

Lack of sleep over the last few months is finally _________Jane.

It is necessary that he _________ of his old parents.

Sex before _______ is strongly disapproved in some cultures.

Last week, our class went to Ha Long Bay for a picnic, _______ made us very happy then.

In China’s largest psychiatric facility, there is a serious lack of resources but the staffs try hard to _________ this in their treatment of the patients.

_________ our children may be, we can not go picnic in this weather

It gets ______ to understand what the professor has explained

Excuse me. Where is the _________ office of UNICEF Vietnam located?”

He asked me _______.