only after they had discussed the matter for several hours _b.did they reach____ a decision.
他们在这个问题上讨论了几个小时才下了决定.
以 only 开始的句子,谓语要用倒装.所以只能选B或D,因为是had discussed 过去式,所以选B
only after they had discussed the matter for several hours _____ a decision.
only after they had discussed the matter for several hours _____ a decision.
a.they reached b.did they reachc.they reach d.do they reach
请求翻译并详细解析
a.they reached b.did they reachc.they reach d.do they reach
请求翻译并详细解析
英语人气：419 ℃时间：2020-04-11 10:46:42
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