In my bedroom I have a small desk .A. to writeB. writingC. to write onD. to write with

问题补充：

In my bedroom, I have a small desk .

A. to write

B. writing

C. to write on

D. to write with

答案：

A. to write

B. writing

(答案→)C. to write on

D. to write with

解析：have sth. to do 的句型中不定式作定语只能是及物动词，和被修饰的名词有动宾关系。