多项选择题
A. give feedback B. cancel an order C. make a complaint D. request some information E. make an apology F. ask for permission G. redress production problem H. make an order
A.functions B.arranges C.organises D.systematises
A.relates B.refers C.means D.directs
A.confined B.decided C.limited D.defined
A.undertaken B.tried C.carried D.adopted