题目内容
British singer Sara Brightman is getting everything ready _____oil the International Space
Station in 2013.
A. set foot B. setting foot C. to set foot D. having set foot
C
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题目内容
British singer Sara Brightman is getting everything ready _____oil the International Space
Station in 2013.
A. set foot B. setting foot C. to set foot D. having set foot
C
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