—___________his brothers?—Yes, they are.

Either you or one of your students _______to attend the meeting that will be held tomorrow.

All possible means ______. However, nothing can _____ his wife dying of lung cancer.

 Still many Senior Three students haven't realized reading English newspapers _______of great help to their English study. 

 The writer and professor, whom I often refer to at the meetings, ____ famous for those works.