One of the requirements for a fire is that the material ____ to its burning temperature.

A. is heated    B. be heated   C. would be heated   D. do heat

 It is everybody’s desire that every effort _______to reduce the pollution in our city.

A. was made    B. be made    C. will be made    D. would be made

She insisted that she _________someone in the house and that a policeman __________to make sure.

A. hears/be called in               B. heard/was called in

C. hears/was called in              D. heard/be called in

It is requested that the reporter _____ to blame for the wrong report.

A. referring to  B. referring to as  C. referred to be  D. referred to being

 —Tom is never late for work. Why is be absent today?

—Something ________ to him.

A. must happen                   B. should have happened     

C. could have happened      D. must have happened

Since you have made such good preparations, there ______be any problem about passing the coming exam．

A. mustn’t B. shan’t 　C. shouldn’t　　　　 D. needn’t

---I have looked for my lost pen everywhere, but I just can’t find it.

---I think that you _______ have left it at home.

A. should       B. must        C. can        D. need

--Can I keep the book any longer?

---Yes, but it _______ be renewed when time is due.

A. shall             B. need               C. will              D. can

 He paid for a seat, when he _____ have entered free.

   A. could     B. would     C. must     D. need

--You must phone us every week.

--Yes, I _____.

A. must      B. have to         C. will         D. should