—Why are you so excited?
—All of us take pride ________ the successful coming back of the Shenzhou-13.
| A． |
in |
B． |
on |
C． |
at |
—Why are you so excited?
—All of us take pride ________ the successful coming back of the Shenzhou-13.
| A． |
in |
B． |
on |
C． |
at |
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