If you _______ in behaving in this way you will bring yourself nothing but trouble.
A、continueB
continue一般不与in搭配，常见的是continuetodosth。decide也多与to搭配。另一方面，从词义来看，continue意思是“继续”，decide意思是“决定”，react意思是“反应，作出反应”，都与句意不相符。只有persist无论是从搭配还是从意思来看都是最佳答案。
It is difficult to understand this kind of _______ calculation.
Should your price ______ reasonable, we will place an order ______ you.
The government called out policemen to suppress the riot.
Which of the folloing is NOT included in the fabled Five Mountains in China?
He betrayed no _______ of discontent, except such as may follow evening?s drinking.
