1.China has set foot ___ space.A.in B.on

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/08 16:47:39
1.Chinahassetfoot___space.A.inB.on1.Chinahassetfoot___space.A.inB.on1.Chinahassetfoot___space.A.inB.

1.China has set foot ___ space.A.in B.on
1.China has set foot ___ space.A.in B.on

1.China has set foot ___ space.A.in B.on
A.宇宙空间是广大而虚无的,所以用in.