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 did the host do to the thief?A． He cursed him very loudly.B． He gave him food and money.C． He drove him out of the house.D． He called the police immediately.

[单选题]---What should I do first before boarding? ----().A．You may ask the policeman there to help.B．Please go to the airline counter to check-in for your flight.C．You should wait and see.D．You have to go there to check in for your flight.

[单选题]What were the people asked to do in the study?A． To make a face at each other.B． To get their faces impressive.C． To classify some face pictures.D． To observe the researchers' faces.

[单选题]What did the scientists do to find out if the e-nose worked?A． They presented it with all common crops..B． They fixed 13 sensors inside the device.C． They collected different damaged leaves.D． They made tests on damaged and healthy leaves.

[单选题]What did duret do shortly after the ambulance came? ( )A． He was interviewed by a newspaperB． He asked his girlfriend for his dry clothesC． He went to the hospital in the ambulanceD． He disappeared from the spot quickly

[试题]What did Grandfather do in Hershey’s factory? （回答词数不超过12个）

[单选题]What did he do in the elevator most of the time?A． Shouted and screamed. B. Slept and waited.C． Telephoned his boss. D. Ate and drank.

[单选题]What did the guards do when Peter started gathering the money?A．They let him do what he wanted to.B．They called the police.C．They helped him find large bills.D．They pressed the alarm.

[问答题]What did I say to cause you to do that?.

[单选题]What did duret do shortly after the ambulance came?A． He was interviewed by a newspaperB． He asked his girlfriend for his dry clothesC． He went to the hospital in the ambulanceD． He disappeared from the spot quickly