Could you tell me who knows the answer,please?
3个回答

这一句中who knows the answer是宾语从句,who knows the answer前面省略了引导词that.我们知道有一个句式是tell sb.sth.在这个句式中,sb.是间接宾语,sth.是直接宾语.所以Could you tell me who knows the answer,ple...