He left home in 1980 and has never come back . A. though B. while C. when D. since——青夏教育精英家教网—

摘要： He left home in 1980 and has never come back . A. though B. while C. when D. since

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He left home in 1980 and has never come back ____.

A. though B. while C. when D. since

He left home in 1980 and has never come back ____.

A. though B. while C. when D. since

He left home in 1980 and has never come back ____.

A．though

B．while

C．when

D．since

He left home in 1980 and has never come back ____.

　 A. though　　　　　 B. while　　　　　 C. when　　　　　 D. since

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