1 . Mary ________ (not fall) asleep until her parents came back last night.

2 . He got up after his mother came back.（改为同义句）
He ________ get up ________ his mother came back.

3 . He hurt himself when playing football yesterday. (改为否定句)
He __________ __________ himself when playing football yesterday.

4 . Class 9 beat Class 13 in the basketball game. (否定句)
Class 9 ________ Class 13 in the basketball game.

5 . Tom cut out some of useless words to make his story better. (改为否定句)
Tom ______ cut out ______ of useless words to make his story better.

6 . The policeman stopped and spoke to the koala about the dangers of running across streets. But it ________ (not work).

7 . The tourists visited the exhibition of Chinese paper cutting. （改为反意疑问句）
The tourists visited the exhibition of Chinese paper cutting, ________ ________?

8 . Mrs. Huang taught us English in Deyang Middle school in 2023. （改为否定句）
Mrs. Huang _________ _________ us English in Deyang Middle school in 2023.

9 . The rainwater beat heavily against the windows last night. (改为否定句)
The rainwater ________ ________ heavily against the windows last night.

10 . —Be careful. A car may hit you.
—Thank you. I ________ (not know) I was standing so close to the traffic.