T: Where is my schoolbag? (Put a schoolbag under the desk and ask this question.)
S1: It's under the desk.
T: Where is my schoolbag? (To all the students)
Ss: It's under the desk.
Write "in, on, under" on the blackboard.
Ⅲ. Listening
1. Let Ss listen to the tape and finish 1b.
2. Ss listen to the tape and number the things [1-4] in the picture.
3. Check the answers with the class.
Ⅳ. Pair work
1. Match the words with the things in the picture.
1. table __
2. bed __
3. bookcase __
4. sofa __
5. chair __
6. schoolbag __
7. books __