用所给词语正确形式填空

①Our beautiful classroom ____ (clean) every day.

② Windy does ____ (badly) than me in P. E. .

③The film ____ (be) on for ten minutes when I got to the cinema.

④ —Why are you so happy today?

—Because I ____ (win)the badminton match.

⑤ Maria's parents will go to the airport by taxi because it is raining ____ (heavy).

⑥ It is ____ (say)that many drinks are bad for our health.

⑦ Tom, ____ (not swim) in the river. It's dangerous.

⑧ The apples look good and ____ (sell) well.

⑨I saw Han Mei yesterday. We ____ (not see) each other since we left Beijing.

⑩He told us he ____ (buy) a new house the next year.

下面四个数中，当x是（         ）时， $\frac{5}{x}$ 是真分数， $\frac{x}{3}$ 是假分数。