单项选择题
He doesn't know （）or go home.
A. to wait B. if to wait C. if that he should wait D. whether he should wait
单项选择题 These（）did usually well in the contest, so the judges didn't know whom give prize to.
单项选择题 This book costs （）that one.
单项选择题 （） gets the job will have a lot of work to do.
