根据情景选择正确的句子。1. 你想让别人和你一起打扫教室，说：

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A. Let me clean the classroom.
B. Let's clean the classroom.2. 你想自己擦桌子，说：

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A. Let me clean the desk.
B. Let's clean the desk.3. 你想让陈洁看你的画，你说：

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A. Look at the picture.
B. Look at the board.4. 你看见教室又干净又漂亮，你说：

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A. It's so big!
B. It's nice and clean.1. B 2. A 3. A 4. B