—Your sitting room looks so clean and tidy.—Well thanks to the baby­sitter. She is a

问题补充：

—Your sitting room looks so clean and tidy.

—Well, thanks to the baby­sitter. She is a real .

A. finding

B. invention

C. find

D. discovery

答案：

A. finding

B. invention

(答案→)C. find

D. discovery

解析：C考查名词。句意：“你的客厅看上去这么整洁。”“噢，多亏了保姆，她真是个能干的人。”a real find意思是“能干的人”。