He must have learn English for three years,___? A.hasn't he B.haven't he C.mustn't he D.didn't he
He must have learn English for three years,___? A.hasn't he B.haven't he C.mustn't he D.didn't he
為什么選B不選D
不還意思看錯選項了是A
為什么選B不選D
不還意思看錯選項了是A
英語人氣：925 ℃時間：2019-09-29 03:40:32
優(yōu)質解答
因為這是現在完成時(過去分詞),表示過去已經完成的事情關鍵詞是have
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