By the end of the 21st century, scientists _______ a cure for the common cold.

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

He is the man ______ car was stolen last week.

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

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

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

It is necessary that he _________ of his old parents.

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.

The greater the demand, _______ the price.

Sex before _______ is strongly disapproved in some cultures.

The social services are chiefly ________ with the poor, the old and the sick.

They said they had come back___________.

Most young people nowadays believe in ___________ marriage – first come love, then comes marriage.

He asked me _______.

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

Hardly ________ of the paintings at the gallery were for sale