1. It is no good ____ to come now. He is busy.

    A. asking him    B. to ask him   C. if you ask him   D. that you ask him

    2. Silver is the best conductor of electricity， copper _     _ it closely.

    A. followed      B. following    C. to follow    D. being followed

    3. It is wise _     _ the case that way.

    A. of him to settle    B. for him to settle   C. of his settling    D. that he settled

    4. Henry Ford's introduction of the assembly line vastly reduced the time it took____.

    A. to make a car      B. making a car   C. for making a car    D. while making a ear

    5. The suspect at last admitted _     _stolen goods but denied_     _ them.

    A. to receive/to sell       B. receiving/selling

    C. to receiving/to selling  D. to have received/to have sold

    6. They are going to help _     _the trees.

    A. watering    B. water   C. watered     D. while watering

    7. I vaguely remember _     _ something like that.

    A. his saying      B. him to say   C. he having said   D. that he had said

    8.——" My girl friend is in a bad mood."

    ——" Why _     _her some flowers？"

    A. not give     B. not giving   C. you don't give   D. don't give

    9. I _     _ to bed after midnight.

    A. used to going   B. was used to go   C. was used to going    D. used to be going

    10. He had no alternative but ____ to see him.

    A. go     B. went     C. going     D. to go

    ABAAB BAACD