9.Mixed doubles competitions,__________ a team consists of one male player and one female player,are typically held only at the four grand slam events.A.that B.where C.which D./选B,怎么看的呢?是地点状语从句吗?不懂~

9.Mixed doubles competitions,__________ a team consists of one male player and one female player,are typically held only at the four grand slam events.A.that B.where C.which D./选B,怎么看的呢?是地点状语从句吗?不懂~ celebrity doubles fixed doubles什么意思 MIN COMP. Mixed是什么意思? mixed-leaf mixed-mode 英语翻译Sarah,her brother Harry,her daughter Ann and her son Michael,are about to play a game of tennis,mixed doubles.Try to work this out.Sarah's brother is directly acroos the net from her daughter .her son is diagonally across the net from the comp什么意思? 闪电Rockhopper Comp怎么样 favorate fishin comp AE如何建COMP cobol语言COMP,COMP-1,COMP-2,COMP-3,COMP-5谁给具体解释下最好举点例子 英语翻译doubles在这 是什么意思啊 VS调试时的[comp]是什么意思图中的[comp]是什么意思 comp-d的中文意思comp是计算机的意思 英语翻译Mixed-xileneNon aromaticsHydrotreatedIsopentan mixed reviews是什么意思