Introduction - If you have any usage issues, please Google them yourself
First, the system functions: one, teacher identity: (a) students to answer questions (b) students delete question (c) set/cancel quality problem (d) an announcement 2, identity students: (a) online questions (b) online Teacher give Guestbook (c) See reply english 3 questions and teachers, the system of public functions (a) the search problem (b) analysis of english (c) See question statistics (d) amend the personal data (e) commonly used to connect recommend (f) the proposed feedback