believe in sb/believe sb/trust的区别

believe in sb/believe sb/trust的区别
1He often tells lies.But last night,I ___him.
2It won't do to____to luck.
3A liar is not ___when he speaks the truth.
4He is a operson I wouldn't ____with anything.
5You can___him;he will never let you down.
6I___keeping early hours.
7We all____Marxism.
我查了字典还是不太明白~