Can it be in the drawer ________ you put your keys?
__________ there is no law stating how you may dress, not all fashions are respectable.
Knowledge from real life isn’t easier to forget than __________ achieved from textbooks.
In our city there are several big public parks __________ many people can go to enjoy the beautiful scenery.
Most of the inhabitants (居民) can’t afford to buy houses of their own, because the price is rising __________.
__________ most efficient way to understand thousands of new words is to gain __________ good knowledge of basic word formation.