“knowwhy”可以造什么句,knowwhy造句
来源:语文精选馆 2.92W
″ Idon' t knowwhy,″ the salesman answered,″ but you can' t put it on your hook unless you turn your back to thepond.
Scientists do not knowwhy dinosaurs became extinct, but some theories postulate that changersin geography, climate, and sea levels were responsible。