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。
Max goes to see a film__________ (two) a month.
The Greens thanked the fireman for saving their __________ (life) .
I like English _____ of all the subjects (good).
How many __________ (build) are there in your school?
At the weekend, I usually go__________ (dance) for an hour.