She can't tell the _______ difference between the twin brothers.　

A. slight　　　　 　　　B. simple　　 C. slender　　　 D. single

Only those who have experienced hardship 　　well aware of what happiness means.

　 A．can they be B．they can be C．can be　　　 D．they can

The villagers are expecting a new school _______ soon.

A. to build up　　　 B. to set up　　　　 C. to be set up　　 D. to be put up

They lead an active life which keeps up their ____ body temperature even in very cold weather.

A. ordinary 　　　 B. normal 　　　　　C. common 　　　　 D. usual

Please remain _________ until the plane has come to a complete stop.

A．to seal　　　　　　 B．to be seated　　　　　 C．seating　　　　　　 D．seated

—Putting on a happy face not only helps us make friends but also makes us feel better.

— _______.　

A. I’d love to　 B. I’m with you on that C. It’s up to you　 D. It’s my pleasure

The government has taken measures to solve the shortage of electricity，but it may be some time before the situation improves.

---- Sarah ____________________________(让人把自行车修了) the day before yesterday, didn’t she?

　 ----- No, she did it herself.

There is no doubt ________first aid is only a temporary form of help given to a patient.

A．whether 　 B．if　 　　　 C．that　 　　　 D．which

Energy drinks are not allowed ____ in Australia but brought in from New Zealand.

A. to make　　　 　　　 B. to be made

C. to have been made　　 D. to be making