问题
选择题
My brother _____while I ______.
A．reads; was doing my homework
B．read; did my homework
C．was reading; was doing my homework
D．was reading; did my homework
答案
答案：C
本题考查时态。句中while表示对比，“然而”之意。句意：我的哥哥正在阅读，而我正在做我的家庭作业。