Ⅰ．单句语法填空
1．__Having been asked__ (ask) to work overtime that evening，I missed a wonderful film.
2．He was last seen __playing__(play) by the river.
3．Listen！Do you hear someone__calling__(call) for help?
4．Dina，__having struggled__(struggle) for months to find a job as a waitress，finally took a position at a local advertising agency.
5．It rained heavily in the south，__causing__(cause) serious flooding in several provinces.
6．—Come on，please give me some ideas about the project.
—Sorry.With so much work __filling__(fill) my mind，I almost break down.
7．__Looking__(look) at my classmates’ faces，I read the same excitement in their eyes.
8．Pressed from his parents, and __realizing__ (realize) that he has wasted too much time, the boy is determined to stop playing video games.
9．I got to the office earlier that day, __having caught__ (catch) the 7：30 train from Paddington.
10．__Having eaten__ (eat) at the cafeteria before，Tina didn’t want to eat there again.
