_____the window,my finger was cut unexpectedly.
A.Cleaning B.While cleaning C.While I was cleaning D.To clean
They would not allow him____across the enemy line.
A.to risk going B.risking to go C.going to risk D.risk going
More than one hundred teachers work in our school, and most of _____are from countryside.
A. whom B. them C. whoever D. Whomever
Please give the ticket to ___ you think is the most suitable in my office.
A. who B. whom C. whoever D whomever
With your brother’ s help, I’ve made great progress in English and I really want to do something for him _____.
A .in turn B. by turns C. in return D. in answer
Tom is one of the best students in the school and there is no _______that he will get the first prize in the competition.
A. wonder B. problem C. doubt D. need