Ⅰ. 用所给词的适当形式填空（10分）
1. It’s _______ (know) that the meeting is very successful.
2. He said his homework _______ (leave) at home.
3. The flowers need _______ (water) every day.
4. —Sam, your schoolbag _______ (must not put) there.
—Sorry, I won’t.
5. Can you come up with (提出)a better way to make the English novel _______ (easy) to read?
