They are going to go on a world tourthey will perform in ten different cities.

Amy, I called you yesterday evening, but nobody answered the phone.— Oh, I _________ a walk with my mother at that time.

My sister went to the party and ________ had a good time there.

You can’t imagine ______ when they heard the news ______ their team had won.

Can you tell me what time the flight to Detroit leaves? —I’m sorry, but it ______．