They play in the playground before . A.8 o`clock B.9 o`clock C.7 o`clock
( )The doctor often tells him ____ more exercise.
( )- Can you sing the song in English? -- No, I ____.
( )Bruce, look at your dirty shoes. You'd better _____ them right now.
( )I met Kate on _____ way home yesterday.
( ) It's hot _____ summer in Beijing.