He always takes full _____ of the mistakes made by his rivals(对手) to win the election.

The students were advised to try a different ________ to solving the complex maths problem.

----What do you know the _____ of are the pig influenza in humans? ---- usually similar to regular human seasonal influenza .

In some parts of the world people had strong _____ in the return of the spirits of the dead.

He glances briefly towards her but there is no sign of ________. After all, it’s 15 years since they last met.