I would appreciate if you could look after my pet while I am away.
A. you
B. this
C. it
D. myself
网友回答
A. you
B. this
(答案→)C. it
D. myself
解析：考查it做形式宾语，句型是：appreciatee it if…,it 在这里做形式宾语这是个宾语从句！真正的宾语指if you could look after my pet while I am away，句意：如果我不在的时候你能帮我照顾我的宠物我会很感激的。选C。