1．It is requested that our headteacher (should) give (give) a speech at tomorrow's meeting.
2．I've always been very cautious about giving my address to strangers because I do everything with caution.
3．You can hardly imagine the great difficulty I had looking (look) after the noisy children.
4．When compared (compare) with the size of the whole earth, the highest mountain doesn't seem high at all.
5．I'm tired out. I stayed up the whole night, studying (study) for my midterm math exam.
6．She asked him curiously ？”(curious), “Why do you have this hobby
7．I'm sorry to say I am not familiar with the rules of basketball, though it is familiar to nearly everyone in the town.
8．Do you think you have no doubt of his arrival (arrive) on time?
9． Having waited (wait) in the queue for half an hour, Tom suddenly realized that he had left (leave) his wallet at home.
10．I was walking along the street this morning when a strange man stopped me.
