Question

【题目】Professor Nelson wanted to know __________.
A.when would the conference begin
B.when the conference would begin
C.when will the conference begin
D.When the conference will begin

Answer 1

【答案】B
【解析】句意：尼尔森教授想知道会议什么时候开始。宾语从句用陈述句语序，时态受主句谓语动词限制用过去将来时。故选B。