Happiness often comes to those 　　　　 try to help others and do something worthwhile.

A whom           B. who         C. what           D. which

—Did you enjoy your tour around Beijing， Mr Singh？

—Yes. But I hate 　　　　 when the tour guide held out his left hand to shake hands with me.

    A  one           B. that          C. it              D. this

 “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 Sue are waiting for you at the school gate.

   — Oh！ I thought they 　　　　 without me.

A. had gone  B. are going  C. have gone  D. went

 It was silly of him to 　　　　 his notes during that important test， and as a result， he got punished.

A. stick to  B. keep to           C. refer to            D. point to

 If there 　　　　 be a global nuclear war， life on the earth as we know it 　　　　 end forever.

A . will； will       B. should； would   

C. were to； will  D. is to； would