In China， we are using the FAST to find stars ______． Now more and more people want to know about the largest radio telescope（望远镜） in the world．（ ）
| A． |
in person |
B． |
in public |
C． |
in space |
In China， we are using the FAST to find stars ______． Now more and more people want to know about the largest radio telescope（望远镜） in the world．（ ）
| A． |
in person |
B． |
in public |
C． |
in space |
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