Thelifeofanastronaut(宇航员)ishardto

发布时间：2020-07-26 07:46:05

The life of an astronaut(宇航员) is hard to imagine(设想) for many people. To put on a space suit him 15 minutes with the help of others.A.usesB.spendsC.paysD.takes

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D
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