来自陈贤初的问题
——Doyouoftenhelpyourclassmates___theirhomework?——Yes,Ihavelotsoffun___them.A.do;helpingB.do;helpC.doing;helpingD.todo;tohelp
——Doyouoftenhelpyourclassmates___theirhomework?
——Yes,Ihavelotsoffun___them.
A.do;helpingB.do;helpC.doing;helpingD.todo;tohelp
