A. education B. text C. subject D. unit
A. lessons B. courses C. opportunities D. subjects
A. job B. debt C. chance D. career
A. certificate B. grade C. record D. debt
A. keeping B. having C. cheating D. doing
A. understanding B. understand C. knowing D. know
A. look at B. do C. refuse D. respect
A. in B. of C. on D. at
A. down B. off C. on D. in
A. in B. of C. up D. from