单选题 —I knocked over my coffee cup. It went right over ______ keyboard.
—You shouldn't put drinks near ______ computer.
  • A. the;/
  • B. the; a
  • C. a; /
  • D. a; a


【正确答案】 B
【答案解析】[考点] 冠词的用法
[解析] keyboard表示特指，特指双方心目中的那个键盘，所以要用定冠词the。computer表示泛指，所以要用不定冠词a。