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The United States (has sent) several (spacecrafts) into orbits (around the earth
The United States (has sent) several (spacecrafts) into orbits (around the earth
游客
2025-05-08
7
管理
问题
The United States (has sent) several (spacecrafts) into orbits (around the earth) and has collected a lot of (information).
选项
A、has sent
B、spacecrafts
C、around the earth
D、information
答案
A
解析
改为sent。一般过去时陈述过去发生的事情。
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