The electric shaver ________ before it can be used.求问B项为什么是错

The electric shaver ________ before it can be used.求问B项为什么是错 The electric shaver ________ before it can be used.空白处填 need The shaver __ before it can be used.A.needs repairing B.shou The recorder needs be repaired before it can be used.错误的地方 What has to be broken before it can be used?是啥意思? 有关状语从句It will be 4 years before he can join the army.为什么只能用b 求解释,A与B的区别The machine has been over-used. ________ it doesn' what has to be broken before it can be used?（猜一猜） 谜语：What has to be broken before it can be used?到底讲的是什么东西? 3.What has to be broken before it can be used? 翻译“What has to be broken before it can be used?" The computer needs ___ before I can use it.A.be repaired B.r