( ) 1. " May I help you? " I am a ___________. |
A.
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( ) 2. " Good morning, class! " I am a ___________. |
B.
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( ) 3. " Are you okay? " I am a ___________. |
C.
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( ) 4. " Five yuan, please." I am a ___________. |
D.
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( ) 5. " Are you ready to order? " I am a ___________. |
E.
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