---CanIhelpyou,madam? ---No,thankyou. I
问题详情: ---CanIhelpyou,madam? ---No,thankyou. I________formyorder. A.waited B.hadbeenwaiting C.havewait...
问题详情: ---CanIhelpyou,madam? ---No,thankyou. I________formyorder. A.waited B.hadbeenwaiting C.havewait...