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，并将答案填写在相应位置上。

1.—Do you know the       (high) of the Greenland Square Zifeng Tower?

—About 450 meters.

2.After waiting for two hours， passengers were becoming        (patient).

3.In high schools， all       (Canada) students take part in a very exciting activity called "Take Your Children to Work Day".

4.     (compare) the different effects of mobile phones on teenagers ， our teacher made a survey among us.

5.The       (art) painting style was so special that all the people at the show could not

help discussing his painting excitedly.