I was reading a newspaper he came in . A. as soon as B. since C. when D. while——青夏教育精英家教网—

摘要： I was reading a newspaper he came in . A. as soon as B. since C. when D. while

网址：http://m.1010jiajiao.com/timu3_id_2400318[举报]

I was reading a newspaper ________ he came in.