When did you check the contents of C02 cylinders（）.
Why did Mrs. Green go to the travel agency?（）
Going somewhere private with the person you first meet is not suggested.
When did Alice Munro win the Nobel Prize?
When did the Red Kettle Christmas Campaign first start?
When did people do house cleaning in the past?
“艰难之路唯勇者行”，可翻译为： When the going gets tough, the tough get going.
1. When did the earliest settlers migrate to the British Isles?
In which country did the puzzle game Go originate?
When the father and the son seperated,what did the father say?
Why did Jack go to the umbrella shop？
Where did the woman go earlier？
听力原文：W: Seldom did I go to dancing balls when I was at college. I was indulged in books day after day.
Speaker A: Did you hear about those people who got hurt when going mountain climbing？ I think they shouldn't allow people to go mountain climbing. It's too dangerous.
The consumption of beer did not go down when the tax was raised.
The person who can go on the flight quickest is someone with______.
Why did the Guinean youths go on demonstration？
The old are drinking______milk per person today as they did a decade ago.
What did the person think of the task？
Why did Robby go back to the hot dog seller？
--When did you feed the dog？ --____.
It can_____the go-between for your personal and career schedules.
–Did you see the movie ‘Go Ll Go!’ in the Pece Cinem lst night －－I hd plnned to, but it
Why did the young man like to go to Howard Johnson's（）
