Everybody on[board] was worried and we were curious to find out what had happened.

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

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

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

[单选题]At that time,wedid not fully [grasp] the significance of what had happened.

[问答题]Please tell me briefly what happened.

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

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

[单选题]I feel [regret]about what's happened.A.sorryB.disappointedC.shamefulD.dishe

[单选题]What did the students find out about McKay?A． He trained pilots for some time.B． He lived longer than other pilots.C． He died in the Second World War.D． He was downed by the pilot Boelcke.

[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.