Although you have lots of difficulties you must your work.A. carry out withB. carry away

问题补充：

Although you have lots of difficulties, you must your work.

A. carry out with

B. carry away on

C. carry on with

D. carry over

答案：

A. carry out with

B. carry away on

(答案→)C. carry on with

D. carry over

解析：carry on 表示继续的意思，符合题意，故选C