Because of the fine weather, we had all our classes in the ______ air.

You have to be highly ________ to do well in these subjects.

The existence of different kinds of animals and plants which make a balanced environment is called........

 He always studies the ______ in the paper as he wants to find a good second-hand car.

 It is time to ______ the table for dinner.

He was full of _______ for her bravery.

Shut the window and _____ the cold _______.

On Sunday the business centre of the city was usually quite _______.

Weeks later he had still not found a job and he began to feel ______ .

Much to their surprise everything went according to _____.

Lan often spends two hours________________ her homework everyday.

You should be very _____ to your teachers for their help.

Spies may have a number of _____ names and papers.

He must give us more time, ______ we shall not be able to make a good job of it.

Are you going to visit anybody_________ ?

 The lorry driver was badly ______ when his lorry crashed into a wall.

The ______ of ice-cream sold increases sharply in the summer months.

When he was a student, his father gave him a monthly ______ towards his expenses.

The castle was surrounded by a _______, which nowadays contained only occasional rainwater.

Now that he has retired, he lives partly on his pension and partly on the _____ on his post office savings account.

If present dissatisfaction over salaries continues the _____ result will be loss of staff.