Everyone ______ that computer is useful.
The computer is ______ useful invention in the modern wored.
one of the most useful inventions is computer .that is what
is that useful?
Everyone understands that () horse is () useful animal A a;a
按要求完成句子1.The computer is very useful.(改为感叹句)______ ______the
He thinks that a computer is( )useful friend.A.a B.an C.the
He thinks that ( )computer is ( )useful intention.a.a,an b.t
The computer is a useful machine.
______(Dog)dog is ______ useful animal.
Is that your computer?
Everyone knows fire is useful,_____it's also dangerous.
computer is one of the most useful( )in the world