摘要：8．It was we were having dinner at the table there was a knock at the door. A．where; while B．which; as C．when; after D．when; that
网址：http://m.1010jiajiao.com/timu3_id_2472035[举报]
It was ________ we were having dinner at the table ________ there was a knock at the door．
- A.where; while
- B.which; as
- C.when; after
- D.when; that