meat, vegetables and other foods can easily be poisoned by microorganisms such as ______.

Is that man your father—No, he is my father’s____, my uncle.

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

You are _____to type quickly when talking to each other on QQ so the other person doesn’t get bored.

There is no possibility, ________ can be seen at the moment, ________ we can win the game.