第1个回答 2007-12-07
Guide student's correct and flexible application greeting in actual life.
第2个回答 2007-12-07
instruct the students use the expression of greeting perperly and flexibly in real life.
第3个回答 2007-12-07
conduct the students to use greetings correctly and flexibly in real life
第4个回答 2007-12-07
guide students to use greetings correctly and flexible in real life本回答被提问者采纳