[文法] 名詞子句
I'm not sure of the question.
What caused the delay?
這兩句怎麼用名詞子句合併呢?
I'm not sure what caused the delay?
I'm not sure of what caused the delay?
哪一句是對的??
為甚麼呢??
麻煩各位先進幫忙解答了
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04/24 23:24, , 1F
04/24 23:24, 1F