单项选择题
A.by B.on C.with D.–（不填）
He is very keen（）football.A.atB.inC.onD.to
单项选择题He is very keen（）football.
A.at B.in C.on D.to
He carried on（）after his accident.A.to workB.workC.work...
单项选择题He carried on（）after his accident.
A.to work B.work C.working D.worked
We'll（）our discussion tomorrow.A.carry outB.carry onC.c...
单项选择题We'll（）our discussion tomorrow.
A.carry out B.carry on C.carry though D.carry forward
