【題目】I’m afraid I you with a great many questions. Thank you a lot, sir.

A. have bothered B. appreciated

C. have contacted D. impressed

【答案】A

【解析】考查動(dòng)詞時(shí)態(tài)。A. have bothered麻煩；B. appreciated欣賞，感激；C. have contacted交往，接觸；D. impressed銘記。句意：恐怕我已經(jīng)麻煩了你許多問題，非常感謝您。此處指已經(jīng)問了許多問題，動(dòng)作已經(jīng)完成用現(xiàn)在完成時(shí)，故選A.

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