一、常用方法
1、直接选定法。
即直接利用相关语法知识，通过题干中的已供信息，捕捉到解题线索，从而得出答案的解题方法。如:
1)-What are you going to do, Jane?-Oh, my mother asks me ____ some food for supper.
A buy B to buy C buys D buying
2) We have worked for three hours. Now let’s stop____a rest.
A had B have C to have D having
3) This is a big class and ____ of the students are girls.
A two third B second three C two thirds D two three
