What is more useful after it is broken?

What is more useful after it is broken? what is more useful after it is broken? Learn what is more useful motto?The motto is really important. What is useful怎么回答 they will be more useful than what is common for early prototypes. 猜谜语：What is more useful after it is broken?还有一个：What goes up and never goes down? Cieverness is more useful than beauty what country is useful at mealtime? what country is useful at meal time? 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 What is more useful after it is broken?Why is a river rich?Which table has no legs?请尽可能用英语回答啊, 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 The dog is (a/an/the//) useful any more What is more? what is more what is more近义词 the TV is more useful than the radio改为同义句.(用上useful) What do you think_____ A the most useful invention is B is the most useful invention