问题补充：
句型转换(不改变原句的意思)
【小题1】As soon as he finished his studies, he started traveling in China.
his studies, he started traveling in China.
【小题2】You should hand in your homework tomorrow.
You are hand in your homework tomorrow.
【小题3】Many famous actors keep fit by doing exercise in the gym every day.
Many famous actors keep fit by in the gym every day.
【小题4】China Daily is not only a newspaper. Reading it every day can also improve our English.
China Daily is a newspaper. Reading it every day can also improve our English.
【小题5】I insist that Mary should arrive at the school gate ahead of time.
I insist Mary’s at the school gate ahead of time.Upon/On finishing
答案：
(答案→)Upon/On finishing
解析：
【小题1】Upon/On finishing本题的On/Upon…一…就…该词是一个介词，后面接动名词的形式。
【小题2】supposed to固定词组be supposed to do sth应该做某事；
【小题3】 working out本句是用work out替换原句的do exercise锻炼。
【小题4】 more than本句的more than后面接名词，表示不仅仅；用来替换原来的not only。
【小题5】 on/upon; arriving本题考查了insist on坚持…；因为on的介词，后面接动名词的复合结构one/one’s doing sth。
