请将下列句子排序,并写成一封邀请信,写信人,收信人史密斯先生,写信日期3月20日 1.We would be very glad if you give us a report on How to Construct Campus Culture, and we would be very appreciated if you give us some advice on our campus culture. 2.We shall be much obliged if you will come and we will appreciate a response for you at your earliest convenience. 3.Please accept our warm welcome and sincere invitation. 4.We would like to take this opportunity to invite you to visit our institute during Nov. 24th to 25th. 5.We will hold a series of activities on our campus culture.