By no means _____ of our students to drop out of school.

An earthquake happened in Sichuan _____ May 12, 2008. [ ]

How do the boy and the girl go to school? ——The boy often______ his bicycle and the girl often ______the train to school.

You must concentrate more ______ your English study. [ ]

Are you afraid of the dark? —Me? Oh, yes! I usually go to sleep _____ my bedroom light on. [ ]