We have all kinds of hats _____ all colors _____ ten yuan each. [ ]

__________ volunteers will be needed for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao.— Let’s go and join them.

We found impossible to finish the work in such a short time.

You know Cartoon World is on TV _________ 6:30 p.m. _________ 7:00 p.m. [ ]

What do you usually do _____ Saturday evening?[ ]