Li Hua has been elected monitor of our class to take place of Ma Li.A. the；不填　B. the；the

问题补充：

Li Hua has been elected monitor of our class to take place of Ma Li.

A. the；不填

B. the；the

C. 不填；the

D. 不填；不填

答案：

A. the；不填

B. the；the

(答案→)C. 不填；the

D. 不填；不填

解析：句意：李华已取代马丽，被选为我班班长。第一空后的monitor是表示职务的名词，且作主语补足语，故不用冠词；take the place of sb/sth为固定短语，意为“代替某人或某物”。