题目内容：

根据句意，在答题卷标有题号的横线上，写出括号内所给单词的适当形式。

1.On the ___________ (one) day of their trip, they visited the zoo.

2.Jack _________(like) fish, so he never eats it.

3.Mr. Liu is a good teacher. He teaches ________ (their) Maths.

4.Do you know these ______________(play) names over there?