1．A．Lots of people these days eat less junk food．  

B．Hamburgers are not junk food．

C．Nowadays many people like eating junk food． 

D．Most people eat healthy food．

2．A．Tom didn’t do his homework yesterday evening．

B．Tom mended his bike yesterday evening．

C．Tom did the housework yesterday evening．

D．Tom didn’t listen to music yesterday evening．

3．A．Mary has never been to New York．     

B．Mary doesn’t live in New York at the moment．   

C．Mary came here from New York five years ago．

D．Mary has lived in New York for five years．