T：Good morning,boys and grils.
Ss：Good morning,Miss Wang.
T：How are you?
Ss：Fine.Thank you and you?
T：I'm not fine.I am soo tired,because today I go to school on foot.(Show the picture of the phrase; on foot to the students) Usually I go to school by bus.(Show the picture of the phrase; by bus to students)
What about you?Do you go to school by bike?Or by bus?Or by car?Maybe you can answer my question in Chinese,first.(Show students corresponding pictures while I ask them.Lead students to understand the meaning of the phrases by looking pictures then try their best to answer my questions )