根据句意及所给汉语提示补全单词

问题描述:

根据句意及所给汉语提示补全单词
1.I want to be a ____(记者) in the future.
2.Germs can ____(进入) the human body through the mouth.
3.____ ____(查找) the word in the dictionary.
4.We must ____ ____(推倒) the old house.
5.Mr Li was having supper when someone ____ ____(敲) the door.

reporter
enter
look up
tear down
knock at