题目

—John got injured in the game. —Would it be at least a fortnight ______ he could recover and return to school? A．when  B．that C．since  D．before   答案： D   句意：——John 在比赛中受伤了。——至少要过两周他才能康复返校吗？It will/would be ＋一段时间＋before...“要过多久才……”，是固定句式。  

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