21. We were greatly shocked to hear the news that ______ two Chinese engineers were shot to death in Pakistan. Worse still, ______ third one died in a hospital afterwards.
A. the; a B. the; the C. /; a D. /; the
22. _______ is reported in the newspaper, a footballer took money for deliberately not scoring goals so as to let the other team win.
A. It B. As C. That D. What
23. I’m so glad to see you back, Lucy. How long _______at your grandma’s?
A. had you stayed B. did you stay C. have you stayed D. would you stay
24. —Mary works hard at English.
—_______ and_______.
A. So does she; so you do B. So does she; so do you
C. So you do; so does she D. So she does; so do you