28． What has happened to students these years according to the passage?

A． The students don't have to think anymore．n school．

B． The students use calculators in math class．

C．The students used to walk to school，but now they don't．

D．All of the above．

[单选题]6．What has happened________ him?A．withB．toC．/D．as

[单选题]I am [regretful]about what has happened.A.sorryB.disappointedC.shamefulD.di

[单选题]28． What did people usually do before when they had usedup their films?A． They often bought a new camera．B． They often bought some new films．C． They often showed them to their friends．D． They returned their cameras to the factory．

[单选题]What happened to George and Richard in the end?A． Both George and Richard became millionaires.B． Both of them realized their original ambitions.C． George established a successful business while Richard was missing.D． Richard became a millionaire whil

[问答题]Please tell me briefly what happened.

[单选题]A crowd [gathered]to see what had happened.A.collectedB.fixedC.dividedD.ass

[问答题]()I do want to know what really happened.

[单选题]I did not fully [comprehend]what had happened.A.approveB.understandC.apprec

[单选题]29． What changes have happened to some families?①There are lights at home．②People like to eat home-cooked food．③Lots of families have computers．④Lots of couples live apart because of unhappy problems．A．①②④B．②③④C．①②③D．①③④

[单选题]The headmaster came to the classroom and asked______what had happened.A.his