Now there are already robots _________ in factories.

—The winter holiday is coming, but I don’t know where to go to relax myself.—Why don’t you consider _________to Hainan?

My brother is always the first_______ to school.

 — What do you think of the book written by Mo Yan?— Oh, excellent. It’s worth             a second time.

--- Now lots of teenagers spend a lot of time playing computer games. --- Yes. Teachers and their parents should prevent them ___________ too much.