He had collected plenty of historical evidence, proved that humans used to have different sleeping patterns.

______ is the library from our school—It’s quite near. Just go ________ the road.

People all over the world have a dream ______they will always live a peaceful life.

Where did you come across our Chinese teacher — It was in the supermarket ______I purchasedmooncakes．

Look, what a dirty classroom we have got! It reallywants ______.