摘要：The United States up its satellite until January 31,1958. A. sent B. didn’t send C. hasn’t sent D. wasn’t sent
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The United States up its satellite until January 31,1958.
[ ]
A. sent
B. didn't send
C. hasn't sent
D. wasn't sent
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B. didn't send
C. hasn't sent
D. wasn't sent
The United States ________ up its satellite until January 31,1958.
[
]|
A ．sent |
B ．didn't send |
C ．hasn't sent |
D.wasn't sent |