It is the educational system, rather than the teachers, _______ is to blame for the students’ heavy burden nowadays.

Our school was going to send a teacher to Xinjiang . I was the first person _______ to go.

–—You look so tired Why not have a rest—–_________

He hardly has time for his hobbies, ________he– . He has too much homework to do.

He has recently _____ chess to provide himself with some relaxation.