问题
选择题
It was about 5 o’clock in the afternoon _______ they had their supper.
A．that
B．what
C．before
D．when
答案
答案：D
考查状语从句。When连接时间状语从句，句意：当他们吃晚饭时大约是下午五点钟。
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It was about 5 o’clock in the afternoon _______ they had their supper.
A．that
B．what
C．before
D．when
答案：D
考查状语从句。When连接时间状语从句，句意：当他们吃晚饭时大约是下午五点钟。