AmanwalkingacrossarailwayinNanjing 61 （have）acloseknoc...
問題詳情：AmanwalkingacrossarailwayinNanjing 61 （have）acloseknockonOct22．Hewasso absorbed__62 hissmartphonethathedidn’tseeatrain 63 (approach)untilitbrushedpasthim，throwinghimtotheground．Thisshoul...