根据短文内容，将所给的词的恰当形式填入填在横线上。

    Yesterday my parents and I went shopping. In the store, we (see) a lot of clothes. We (buy) some clothes. After that, we (have) lunch at Acasia, a Chinese fast food restaurant. There (be) a lot of people at lunchtime. Then we went to watch a film. Dad (be) tired, but mum and I were very happy.