第一节  单项填空(共15小题,每小题1分,满分15分)
21. Generally speaking, if a child grows up in ________ big family, he is more likely to develop _______________ ability to get on well with others.
  A. a; an                   B. a; the                     C. the; /                     D. the; an
22. --- Our class will play against Class 3 in the basketball match this afternoon. I'm sure we will win.
   --- ______________________!
A. Cheers             B. Good luck       C. Best wishes       D. Congratulations