题目内容：

根据句子意思，用括号中所给单词的适当形式填空。

1.The time is too short. It’s      (possible) for Daniel to finish this work.

2.Mother’s Day is coming. He’ll use what he has      (buy ) his mother a new dress.

3.Take care, children. Don’t hurt      (you) when you play football.

4.I’m surprised that Gavin is 50. I thought he was      (young), for he seems to be in his thirties.

5.Are you satisfied with these      (sing) performances in the opera?