Question

【题目】Zhao Lin _____ to Beijing by train often. He usually goes by plane.
A.isn't going
B.doesn't go
C.not go
D.don't go

Answer 1

【答案】B
【解析】句意：赵林经常不乘火车去北京，他经常乘飞机。often是一般现在时的标志，主语是第三人称单数，所以用doesn't+动词原形，故选B。