---I'msorrytohavekeptyou
- 習題庫
- 關注:2.49W次
問題詳情:
---I'm sorry to have kept you_____ ---It doesn't matter .I've just arrived. A.to wait B.waiting C.waited D.wait
【回答】
B
知識點:動詞和動詞短語
題型:選擇題
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