第1个回答 2012-10-11
While I was (watching TV ),the telephone (rang )
第2个回答 2013-08-01
watching TV.rang.while表示当什么时候,是过去进行时。ring也应该用过去式rang
第3个回答 2012-10-11
watching TV,rang
第4个回答 2012-10-11
watching TV, rang
第5个回答 2012-10-11
While I was (watching TV ),the telephone (rang ).