21.Bill: I don't know _________ . Cindy: I don't know, either. Let's ask Ella.(A) wh
問題詳情
21.Bill: I don't know _________ . Cindy: I don't know, either. Let's ask Ella. (A) what happened to Tim (B) who did Shirley love (C) where has Daniel gone to (D) how much money should Emma pay