题目内容
Do you know the reason _______ he was late?
| A.that | B.which | C.where | D.why |
D
考查定语从句。the reason是先行词,代入定从_______ he was late,应是he was late for the reason,先行词在定从中作原因状语,所以选D。
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| A.that | B.which | C.where | D.why |