There is long way to go for scientists to study _____space.

Do you know why he left so early ?–__________ for the English test, I guess..

Do you know __________ this dictionary belongs to?—Let me see. Oh, it’s __________.

Would you like to visit Kun Ming by yourself this summer vocation? –I’m not sure. I _____go there with my parents because of the terrible thing at the railway station.

Simon is going to wear clothes ___________ for the show.