They want to know () do to help us A.what the can B.how they can _英语解答

They want to know () do to help us A.what the can B.how they can 为什么不选B?要具体原因

人气：355 ℃　时间：2019-08-20 23:11:37

解答

他们想知道他们能做什么来帮助我们.只能选 A.如果想用 how,就把原句改成：They want to know how they can help us.