题目内容
1. America is the first country.Americahas sent a space probe to Mars.(将两句话合
成一句)
America is the first country______ ______ _____ a space probe to Mars.
1. that has sent
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题目内容
1. America is the first country.Americahas sent a space probe to Mars.(将两句话合
成一句)
America is the first country______ ______ _____ a space probe to Mars.
1. that has sent