Alex is busy _______ for his exams.

If it stops _____, we'll go camping.

These quick and easy _______ can be effective in the short term, but they have a cost.

How long ….. you studied English?

Peter doesn’t like scuba-diving. _________does his brother.

The students are playing ____________ in the school yard.

The teacher made his students work hard for the exam.

_____________ going fishing tomorrow?

Would you like me___________ the phone for you?

Doctors _____ a cure to AIDS yet.

People who exercise frequently have greater physical endurance than those who doesn’t.

Sam’s uncle, _____________is very rich, came to visit our orphanage.

Spain _____ at one time a very powerful country.

At the moment I am spending my weekend go to camping with my friends

The dragon _____ the enemies of the Church.

Are you interested in _____ football.

They are looking forward _____ Tet holiday.

If I were a flower, I _________a sunflower.

The panda's ...... habitat is the bamboo forest.

It was not until 1990 when she became a teacher.

Some scientists say that flying saucers might be people's______