(·福建毕业班质检)—Shall I attend my friend's coming­of­age ceremony Mum?—No unless

问题补充：

(·福建毕业班质检)—Shall I attend my friends coming­of­age ceremony, Mum?

—No, unless you see to that you will be home before 10：00 P．M.

A. one

B. this

C. it

D. her

答案：

A. one

B. this

(答案→)C. it

D. her

解析：C句意：“妈妈，我可以参加我朋友的成人典礼吗？”“不行，除非你保证你在晚上10：00前回家。”“see to it that＋从句”为固定句式，相当于make sure that＋从句，意为“确保……”。