【評論主題】25. Nobody knows ________. It remains a mystery.(A) what did it happen to him(B) who made those crop
【評論內容】我想應該是因為know的後面應該要接一個受詞，受詞正常要是名詞，所以可以判定後面接名詞子句。
【評論主題】25. Nobody knows ________. It remains a mystery.(A) what did it happen to him(B) who made those crop
【評論內容】我想應該是因為know的後面應該要接一個受詞，受詞正常要是名詞，所以可以判定後面接名詞子句。
【評論主題】25. Nobody knows ________. It remains a mystery.(A) what did it happen to him(B) who made those crop
【評論內容】我想應該是因為know的後面應該要接一個受詞，受詞正常要是名詞，所以可以判定後面接名詞子句。