Distinguished guests and friends . _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad .

When did you borrow the English book? — I borrowed it last week. I _________ it for a week.

Hong Kong is _______ the east of Guangzhou.[ ]

I phoned you at 7:00 this morning. But there was no answer.—Well, maybe I _________ morning exercises at that time.

Do you know the name of the cat ______ is lying on the ground? –Of course, it’s my pet. Its name is Mimi.