--- _______ useful tool the computer is!

纠错 The Internet is becomong an useful tool for us. English is a useful tool. The computer is a useful machine. 英语改错The Internet is an useful tool and you can do a lotof th 一道英语单选题The dictionary is such a useful tool _____ every stud The Internet is viwed as a useful educational tool by many e 短文改错：The internet is an useful tool and you can do many thin 选择最恰当的答案1.The mobile phone is becoming _________ useful tool The computer is ______ useful invention in the modern wored. computer is one of the most useful( )in the world The computer is very useful.(改为感叹句） This is the _______ useful of the four books.(little)