the answer /key to

.的英语词组是the answer to the .／the key 用英语怎么说1 the answer to the question2 the key to the questions 这答案是对的 The key is correct The key to the answer is correct 可 look inside to find the answer.i am key to your survival.doe 我想问像 the key to this door,the answer th this question.这种情况,为 What is the most difficult key to turn?Answer：donkey （驴、傻瓜） the key to the the key to your the key to happiness the名词+to+ing,尽量举完,这要死记啊.例如the key(answer,entrance,note...) t solution,key ,answer,reply 后面都是加介词to吗? the key to the door