The computer was invented in the 1940’s and ______ quite a lot ever since.A．was_刷题宝

题干

The computer was invented in the 1940’s and ______ quite a lot ever since.

A．was changed	B．had changed
C．has been changed	D．will change

上一题下一题 0.64难度单项选择更新时间:2013-06-20 05:15:59

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库