【推荐1】Breaking into one’s room is considered ________ (polite).

【推荐2】It’s i________ to speak loudly in public. Please turn down your voice.

【推荐3】It is ________ (polite) to speak when eating things.

【推荐1】根据句子意思，用括号中所给单词的正确形式填空。（每空限填一个单词）
1. Grace was very happy because she was chosen as the monitor of __________(she) class yesterday.
2. Among all the Chinese artists, I like him __________(well). His pictures are beautiful works of art.
3. The great __________(please) in life is doing what people say you cannot do.
4. My father always tells me that nothing is __________(possible) as long as I try my best.
5. Yaowan Town is so beautiful that __________(thousand) of tourists visit it every year.

【推荐2】It is _________ (importance) for us to protect the Earth.

【推荐3】I don’t think it is too ___________ (difficulty) to learn English well.