Question

 Kevin will give less homework to his students if he ______ a teacher.

   A. becomes        B. become              C. became D. becoming

Answer 1

A解析:考查动词的时态。if引导的条件状语从句中，如果主句用将来时，从句用一般现在时表将来。句意“如果Kevin成为一名老师，他将给他的学生布置更少的作业。”故选A。