指出下列简单句中的部分所充当的句子成分
1．Hearing what he said , everybody laughed. laughed
2．Most students in my class like playing chess. laying chess
3．His being late made the teacher very angry. ery angry
4．The book lying on the desk on American history. on American history
5．To finish the task on time is impossible. To finish the task on time
6．There are many kinds of TV sets on sale in that store. many kinds of TV sets
7．The red flages waved in the wind. waved
8．Mr White will give us a talk next week. us ; a talk
9．This bed seems hard. hard
10．How interesting the film is! How interesting