Raincoats are used for（ ）rain.keep off与keep out有什么区别

Raincoats are used for（ ）rain.keep off与keep out有什么区别 Raincoats are used for ------------rain.雨衣是用来挡雨的 are widely used 能否说成是are used widely ,为什么? Computers _____in our work.A widely used B are widely used C widely are used Dare used wide 理由 these plants a very special medicineA.used to makeB.are used to makingC.are used to makeD.used to making trees_______furniturea.are used to making b.used to make c.get used to d.are used for making chinese people are used to u____ chopsticks where lots of mobile phones are used. Chopsticks are w_____ used in china what are the shoes used for the most widely used handheld computer are Computers are (wide) used in the world you are not who used to the most widely used handheld computer are ? Habits are not used to the habit, computers are ( ) used in the world (wide) Africans are used to hot c____答案 选择：Every possible means ( ) to prevent the air pollutionis used?are used?has been used?have been used?