There is six lamps____ the ceiling of the auditorium（礼堂）of Yetang Middle School,and with these lamps in the evening the teachers can play badminton

Marry notices are placed in the park warning people to ____ the grass.

Why didn’t you come to Susan’s birthday party We you all the evening.

It’s more than half a century _____ mygrandfather joined the Party and became a servant to the people.

I would appreciate ____, to be frank, if my cell phone could be fixed as soon as possible. [ ]