试题 试卷
题型：单选题 题类：常考题 难易度：普通
2017年广东中考英语模拟试卷（一）
The picture of a black hole{#blank#}1{#/blank#} {#blank#}2{#/blank#}to the world by the scientists on April 10.
— Sure. It ___________________ in 1970 to tell us to protect our planet.
试题篮
