Not only should you get used under difficult conditions but you also you pay more attention your work well.
A. to work, to do
B. to working, to doing
C. to work, to doing
D. to working, to do
网友回答
A. to work, to do
(答案→)B. to working, to doing
C. to work, to doing
D. to working, to do
解析：因为 get used to与pay attention to 这两个结构中的to均为介词，不是不定式符号，故后接动词时要用动名词，不能动词原形。类似地，以下各结构中的 to 也是介词，不是不定式符号，后接动词时也应用动名词，而不是动词原形