There is big desk in our classroom. desk is for our teacher. A. a TheB. a AC. the TheD.

问题补充：

There is big desk in our classroom. desk is for our teacher.

A. a, The

B. a, A

C. the, The

D. an, A

答案：

(答案→)A. a, The

B. a, A

C. the, The

D. an, A

解析：介绍事物的类别用不定冠词，辅音音素前用a，故第一个空填a，第二次出现的名词通常为特指，用定冠词the，故本题第二个空填the，故本题选A。