单句语法填空

1.I met with an old friend of mine           I was walking along the street.

2.There was a time            the two brothers walked to school.

3.These apple trees，           I planted three years ago，have not borne any fruit.

4.My car broke down halfway，           (cause) me to come late.

5.She is going to the dentist tomorrow because she            (have) a tooth filled.

6.The park was full of people，           (enjoy) themselves in the sunshine.

7.           happened that he was spending his holiday on the beach.

8.He won't go to bed          she returns.

9.He can't wait          (put) on his new shoes.