根据句意及所给的汉语注释写出单词的正确形式。
小题1:
Betty is ________ (幽默的), She often tells funny jokes to make us laugh.
小题2:
The old man likes reading newspapers and ________ (杂志).
小题3:
I think Kate will make an ________(杰出的) teacher if she studies hard.
小题4:
________(物理) is very interesting , we like it very much..
小题5:
Learning __________(外国的) languages is really fun.