根据句意和汉语注释写出单词的适当形式。
Don’t you think that Mr Wu is an _____________(极好的)teacher?
Taking more exercise every day will make you _____________(健康)than before.
We should learn English well because it is one of the important ___________(语言) in the world.
My English teacher is always _____________(耐心的)with me. She helps me a lot.