—Why was Professor Smith unhappy recently?—Because the theory he stuck to ______

题干

—Why was Professor Smith unhappy recently?
—Because the theory he stuck to ________ wrong.

A．proves

B．was proved

C．proved

D．proving

上一题下一题 0.64难度单项选择更新时间:2016-11-14 05:06:44

小学学科试题库

初中学科试题库

高中学科试题库