A more electricity you use, the higher your bill will be.

A. by the United Nations Organization.

B. by developing countries.

C. by the World Health Organization.

D. by many African countries.

A. world

B. balance

C. activity

D. appearance

A. As soon as Sue and Brian met, they announced they were getting married.

B. Until Sue and Brian met, they had announced they were getting married.

C. Right at the time Brian met Sue, he announced they were getting married.

D. Scarcely had Sue and Brian met when he announced they were getting married.

A. study

B. studying

C. studied

D. to study

A. hesitate

B. cared

C. defend

D. eject

A. will see

B. interesting

C. about

D. the