题目内容：

根据句意及汉语提示，写出正确的单词

1.These ______（问题）are very easy. Everyone can answer them.

2.---Can I help you, Mr. Green?

---Yes, please get some ______（粉笔）for me.

3.Look! Mrs. Wang is ______（拿）a camera.

4.Mr. Smith is checking his students’ English ______（水平）.

5.Will students ______（需要）any books in the future?