内容正文:
Unit 4
Don't talk here.
Look and say.
What does this sign mean?
Look and say.
What does that sign mean?
Look and say.
What does this sign mean?
Look and say.
What does this sign mean?
Look and say.
What does this sign mean?
Look and say.
What does this sign mean?
Let's Learn
road
Let's Learn
wall
Let's say.
desk
Don't ______ on the _____.
draw
desk
Let's Learn
Let's say.
Do you know some other rules in class?
Don't ______ in class.
Let's Learn
waste paper
Let's Learn
Let's say.
Do you know some other rules in the park?
Don't ______ in the park.
where is it?
It is a library.
Let's Learn
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