what causes these sandstorms?这个句子“cause”为什么要加“s”?what（-----）to your village in recent years?-lots of roads ,buildings,parks and so on（ ）填的是“have happened”还是“has happened ”为什么内?

阅读What Causes Waves? what causes headache为什么是 causes , what causes them?的翻译 what causes the generation gap? In what ways is human nature depicted differently between Chinese and Western culture.And what do you think causes these differences? What are the causes of crimes? what are the causes for certain crimes what causes these sandstorms?这个句子“cause”为什么要加“s”?what（-----）to your village in recent years?-lots of roads ,buildings,parks and so on（ ）填的是“have happened”还是“has happened ”为什么内? what causes them的答语是不是用because开头 what are the causes of the accident 同义句 What causes traffic jams?That's easy:too many cars WHAT ARE THESE?意思 what are these ones? what about these flags? what.are.these?中文 what are these? These caudes led to bad result.中文意思是causes,不是caudes These are our _____ for doing itA.reason B.cause C.reasonsD.causes