The First Huaguoshan International Golf Open was __________ success that we enjoyed ourselves very much.

When did the meeting begin?—At four o’clock．It ______ for 15 minutes．

The room _________ as a meeting room.[ ]

When did you ____ the top of the mountain?—At 11;45 a.m.

The teacher asked me to ____ the exercise books before we began to do our homework.