---Do you know_______ it is from our school to Yangzhou? ---I am not sure. I guess it's about 40 minutes by bus.
Some more trees need ________ beside the road.
I hear that another teaching building _________ in their school two years ago.
_________, hot dogs and chips are both junk food.
The students in this school are made ________ school uniform on Monday.
John often asks his friends ________ help.