Radio waves traveling at the speed of light ______their discoveries to Earth.A、h

游客2024-01-02 59

问题 Radio waves traveling at the speed of light ______their discoveries to Earth.

选项 A、have brought
B、are brought
C、bringing
D、is bringing

答案 A

解析 The present perfect verb have brought is the only answer that fits the meaning of the sentence.

转载请注明原文地址:https://tihaiku.com/zcyy/3328020.html

相关试题推荐

随机试题

最新回复(0)

Archaeologicaldiscoverieshaveledsomescholarstobelievethatthefi