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。
If we had received your L/C, we ______ shipment.
________ in thought, he almost ran into the car in front of him.
We are pleased to say that we are ______ to supply you ______ the goods you want.
Neither English nor Chinese ________ difficult to learn.
The French maintain a ________ separation of personal and professional life.
