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3. Tom: Happy birthday! Mary: ___________ A. The same to you! B. Thank you! ( ) 14. Tom: ___________ Mary: I’m fine. A. How old are you? B. How are you? ( ) 15. Tom: How do you do! Mary: ___________ A. How do you do! B. How about you? ( ) 16. Tom: ___________ Mary: I usually go to school by bike. A. How do you usually go to school? B. When do you usually go to school? (