21. The opening ceremony of the London Olympic Games really gave _____ world _____ big surprise.
A. X; a B. the; a C. a; the D. the; X
22.-----Mr. Jones! Sam has broken the glass!
-----________. Such things happen.
A. What a pity! B. What is the matter? C. Doesn’t matter. D. How come?
23. How badly reform is needed was ______ recently by the rising youth crime figures.
A. suspected B. indicated C, influenced D. announced
