(    )7. I used to eat candy _________.

    A. a lot           B. a lot of          C. too many

(    )8. Many young peole enjoy ___________ gum.

    A. chewing        B. chewwing      C. to chew

(    )9. Tony spent too much time ________ computer games.

    A. to play          B. playing        C. played

(    )10. Bill always works _______. He _______ ever watches TV.

    A£®hard, hardly       B. hardly, hard      C. hard, hard

(    )11. We face the biggest _________.--- Pollution.

    A. question            B. problem         C. solution

(    )12. Mary is ill. Her mother has taken her ______ the hospital.

    A. for                 B. in             C. to