Ⅰ

⑴Don't climb up the hill.   

⑵Did you water flowers last Friday?   

⑶Was your father at home last Sunday?   

⑷Was it rainy yesterday?   

⑸You look sad. What happened?   

⑹When did you go to the Museum?   

Ⅱ

A. I lost my football.

B. Last Sunday.

C. All right.

D. No, it was cloudy.

E. Yes, he was.

F. No, I didn't.