You needn't wear a suit. It's just an________(非正式的)party.
He went to town with the________(目的)of buying a new television.
They didn't receive any news during their daughter's a______.
Some vegetables are only available at c______times of the year.
The f________of the heart is to pump blood through the body.
I__________ __________ (受益于) the studying experience of my sister. (benefit)
The police __________ (怀疑) him of having taken the money.
The teacher tried to a__________ the cause of our failure.
The speaker had got confused and his states are __________ (互相矛盾的).
The goods are o__________, but you can choose only one.