Question

Cells either divide too fast or at the wrong time, _______ it difficult for the body to function________.

A. making; properly　　　　　　  B. make; proper

C. making; proper　　　　　　  D. make; properly

 

Answer 1

答案：A
解析：

现在分词做伴随状语，所以用making; function作为动词，修饰语应用副词，所以用properly。