第1个回答 2010-12-04
(1)这是6。格林一家有sypper ____。(2)当你____(把)在敲门,我昨天____(做)洗衣服。
第2个回答 2010-12-04
have , knocked, was doing
第3个回答 2010-12-04
1were having(the Greens格林一家人,用复数)
2knocked/ was doing
第4个回答 2010-12-04
had knocked was doing本回答被提问者采纳
第5个回答 2010-12-04
was having
knocked
was doing