The rest of students in the classroom ______myclassmates.

He will revenge himself____his neighbor, a mean (卑鄙的) officer, ____ the murder of his wife

_____ the difference between the two research findings will be one of the worst mistakes you make.

questionnaire, the subjects are questionedwhether they____ no smoking in the public area.

After practiicng for sevralmonths, I can swim much ________ now.