Thetwofriends
問題詳情: Thetwofriends______onlineforthreehours,andtheywillgoon. A.hadbeenchatting B.hadchatted C.werechatting D.havebeenchatting【回答】B知識點:過去完成時及其被動式題型:選擇題...
問題詳情: Thetwofriends______onlineforthreehours,andtheywillgoon. A.hadbeenchatting B.hadchatted C.werechatting D.havebeenchatting【回答】B知識點:過去完成時及其被動式題型:選擇題...