professorwantedtoknow___a:whentheconferencewouldbeginb:whentheconferencewillbegin答案和具体原因
2021-03-22 115次 反馈错误 加入收藏 正确率 : 100%
题目内容：
professor wanted to know ___
a:when the conference would begin
b:when the conference will begin
答案和具体原因
优质解答
选a.（该句为宾语从句,从句与主句应保持时态一致）
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