“You are too selfish. It’s high time you that you are not the most important person in the world.” Peter said to his boss angrily.
A. realized B. realize C. will realize D. have realized
Apart from the urgent problems caused by wars and conflicts， the UN helps countries with other problems such as education， starvation， disasters， AIDs and other diseases.
A. lack for B. lack in
C. lack D. lack of
The breaking of a taboo is usually upsetting or embarrassing for the person____ and the people around him or her.
A. to concern B. concerning
C. concerned D. concern
Thanks to the work of UNICEF. Otherwise many children the chance of living a good life.
A. will not have B. have not had
C. do not have D. would not have
The manager， it clear to us that he didn’t agree with us， left the meeting room.
A. who has made B. having made C. made D. making
— Hurry up！ Alice and Sueare waiting for you at the school gate.
— Oh！ I thought they without me.
A. had gone B. are going
C. have gone D. went
