根据句意补全单词

-- There is an apple, an orange and a pear.

-- Which do you like? Please c　　　　one.

填空，完成句子

--Do you like donuts?

--Yes, ____ _____.

选择正确答案

-- _____________?

-- Five times a week.

A. How do you clean your room

B. How often do you clean your room　　

C. When do you clean your room