题目内容：

根据汉语注释写出单词的正确形式，并将答案填写答题卡中的相应位置。

1.His great _____________(成就) is to have made the players into a united team.

2.He________（后悔）breaking the school rules

3.Your argument is too weak to __________(使...相信)me.

4.They are_________(很可能) to come to your birthday party.

5.I _________(不知道) if you could help me carry the heavy box.