______ electricity you use, _______ your bill will be.

My father always has the builder ________ the roof of our house.

The union members discussed _______ the next meeting until next week.

Why don’t you have your brother _____ the roof?

The man ______ spoke to John over there is my brother.

If I had enough money, I _______ abroad to improve my English.

If I _______ her address now, I would send her an invitation to my birthday party next week.

Lan and Huong have never come to class late, ________ ?

If my candidate had won the election, I _____ happy now.

Your brother hardly talks to anyone, _______?

Should I meet John at the workshop tomorrow, I ______ him to phone you.

It was late, so we decided __________ a taxi home.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

     Tom denied _______ part in the fighting at school.

He locked the doors _______ be disturbed when he was studying for his exams.