Could you eat the rest of the pizza?No thanks. I’m losing weight and I am on di

问题补充：

--- Could you eat the rest of the pizza?

--- No, thanks. I’m losing weight and I am on diet now.

A. 不填；the

B. a; a

C. 不填；a

D. the; the

答案：

A. 不填；the

B. a; a

(答案→)C. 不填；a

D. the; the

解析：考察冠词。本题第一空是固定词组lose weight减肥；第二空也是固定词组on a diet在节食；句意：—你能把剩下的批萨都吃完吗？—不，谢谢！我正在减肥，所以我在节食。故C正确。