题目内容：

根据句意及汉语提示，写出各单词的正确形式，每空一词。

1.Here are two            (照片) of my friends.

2.My schoolbag is very             (重).

3.There are              (四十) desks in our classroom .

4.My uncle is a            (厨师)and he works hard.

5.The child feels           (疲劳) after running.