题目内容：

根据句意及所给的汉语注释写出单词的正确形式。

1.Betty is ________ (幽默的), She often tells funny jokes to make us laugh.

2.The old man likes reading newspapers and ________ (杂志).

3.I think Kate will make an ________(杰出的) teacher if she studies hard.

4.________(物理) is very interesting , we like it very much..

5.Learning __________(外国的) languages is really fun.