请从方框中选择合适的单词填入短文中，使其意思完整（每词限用一次，其中有两个
多余选项）。classroom, playground, tired, down, small, gives, lying
We are in the lnow. We are having a PE lesson. Mr Smith 2us some orders. Look, we
are jumping up and 3ten times. David can't do it, because he is too4. So he is 5 on the
grass now, having a rest.1. playground 2. gives 3. down 4. tired 5. lying