题目内容
Only after they had discussed the matter for a few hours ______ a decision.
| A.they reached | B.did they reach | C.they reach | D.do they reach |
B
试题分析:考查倒装。Only+时间状语或从句,放句首时,主句用部分倒装,A、C没倒装,排除A、C;根据had discussed可知,空白处使用过去时,排除D。故选B。
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