Would you please put the dictionary ____ it belongs ?

I shall never forget those years _______ I lived on the farm with the farmers, _______ has a great effect on my life.

Sorry, sir. It’s _________ the working hours. I’m afraid you have to come tomorrow.

We all think it’s dangerous for _________ to drive.

语知识运用第一节：单项填空从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项的标号涂黑。One thousand people were trapped in thedamaged building, ______ were saved．