letters are usually delivered by a postman whereas e-mails are sent through
举一反三
- 中国大学MOOC:"Invitation letters are usually sent by _________ to scholars and experts in the field and other prospective participants. ";
- After Steven sent some emails , he ________ surfing the Internet.
- Having finished the work,_____. A: it was almost six o'clock B: a postman came and delivered the evening paper and some letters C: supper had been already prepared D: we had a rest and then had supper
- Invitation letters are usually sent by _________ to scholars and experts in the field and other prospective participants. A: the organizing committee B: the sponsor(s) C: the coordinating committee D: secretariat
- The duty of a postman is to __ letters and parcels. A: show B: improve C: mail D: deliver