改错 I have a set of key.

改错 I have a set of key. 还有I have a set of (key). I have a set of k_________ I have a set of k __根据句意和首字母提示填空 I have a set of keys 根据a set of keys 提问? I have a beautiful set of tea cups.这里为什么用set of,做什么用? I have a set of keys.(改为一般疑问句） I have two __ .A.set of keys B.set of key C.sets of keys D.sets of can i have a look of that one?改错 改错i have a apple I have a set of ___（钥匙）.Jim and Tony ___(是) good friends. 改错：I don't want a cup of tea.I think I am going to have a cup of coffee A group of scientists _____ the west of the country.A.have set off B.have set out for C.have set off for C,set out each of us have a room.改错 I heard you've got a set of valuable Australian coins,___I have a look?A may B shall i'd like have a try!改错 I have a bad cold,either.改错 I have a books.怎样改错?