题目内容：

根据所给中文写出单词的合适形式

1.I often have fish for dinner. It’s _______________（健康的）.

2.It is __________ (寒冷的)in winter in China.

3.The streets aren’t __________ （繁忙的）on Saturday morning.

4.On ________（星期一）,we have Science and PE lessons.

5.We must be the ___________(主人) of the time.