单项选择
16. — Have you heard of the North Korea’s nuclear test?
— Yes, ________ news came as ________ shock to me.
A. the; a B. the; the C. a; a D. a; the
17. They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.
A. had been working; are still working B. had worked; were still working
C. have been working; have worked D. have worked; are still working
18. Not far from the club there was a garden, ____ owner seated in it playing bridge with his children every afternoon.
A. whose B. its C. which D. that
19. — I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it ____ my younger sister. She was in my room at that moment.
