We must the useful books from the unless ones A pick out B bring out C sort out D work out

Though the first letter is____u in the word useful,we must say ____useful book We must the useful books from the unless ones A pick out B bring out C sort out D work out ________ useful subject English is!We must learn it well.A:What an B:What aC:WhatD:How we must call the We must purify the We must keep all the windows -----.A close B closed we were ____at the london eye.we could see the city of london_______A. useful B.happy c.free D.easyA. just B.fast C. well D.good we must o______ the rules All other doors were looked,including the door to the reading room where I ___something useful.A.could have found B.could findC.would D.must have found the internet is very useful.we can use it( )englishA.learn B.learning C.to laren D.to learning We found the book____ A.be very helpful B.very useful C.was very interested D.very surprised The book is ___than that one.A.useful B.the most useful C.much more useful D.a little usefulThe book is ___than that one.A.useful B.the most useful C.much more useful D.a little useful sometimes fire is useful,it's ()we must be ()wth it. 单选.1.English is ___ useful language.We must learn it well.A.a B.an C.the D.不填2.You can follow these steps ___ a printed T-shirt.A.make B.to make C.making D.made The Internet is very useful.We can get a lot of＿The Internet is very useful.We can get a lot of＿ from it.A.thing B.message C.informations D.information The Intemet is very useful.We can get a lot of ____ from it.—The Intemet is very useful.We can get a lot of ____ from it.A.thing B.message C.informations D.information wood is one of ( )in our life A、useful materials B、more useful material C、the most usefulwood is one of ( )in our life A、useful materials B、more useful materialsC、the most useful materialsD、the most useful material we must keep the ( )on the road