The United Statesup its satellite until January 31,1958. [ ]A. sent B. didn't sendC. hasn'

题目简介

The United Statesup its satellite until January 31,1958. [ ]A. sent B. didn't sendC. hasn'

题目详情

The United States           up its satellite until January 31,1958.

A. sent
B. didn't send
C. hasn't sent
D. wasn't sent
题型:单选题难度:中档来源:专项题

答案

B

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