Usually, I can’t work on my lessons full attention unless I am free noise.
A. in; with
B. at; from
C. with; of
D. on; of
网友回答
A. in; with
B. at; from
(答案→)C. with; of
D. on; of
解析：考察介词。With full attention全神贯注 free of 摆脱，免受……干扰
句意为，通常，我无法专心致力于我的功课，除非没有噪音的干扰。