Students need at least eight hours to sleep, or they are_______ in class.
I think kids will study at home on computers ____ ten years.
Please pour the watermelon __________ the blender.
-- How many people came to Brazil for the World Cup in 2014? ---It is hard to say. ______ people, I think.
I felt a little tired the end of the day.
Please put these things into the bowl and _________ __.