Thereareover58000roc的知识精选

 Thereareover58,000rockyobjectsin
问题详情: Thereareover58,000rockyobjectsin________space,about900ofwhichcouldfalldownonto________earth. A.the;the       B.不填;the     C.the;不填      D.a;the  【回答】B知识点:冠词...
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