Trả lời: (bn chỉ cần điền phần mik gạch chân là đc)
1, An e-book which can be read on a mobile device is electronic book.
2, John who I have known for 8 year is one of my closest friend.
3, The man who you met him at the party last night is a famouse debtor
4, My wife who you were speaking to want you to come to dinner.
~HỌC TỐT~
@su