If the students don’t understand what their teacher is talking about, he/she hasn’t _________his/her meaning_____________.A.got…onB.got…acrossC.got…alongD.got…away
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B解析这题考查词组辨析：got…on 上车， got…across传达，got…along相处， got…away走开，句意是：如果学生不理解老师说的话，说明老师没把意思表达清楚。选B。