When I _ the letter,he _to visit us?A.wrote;cameB.was writing;C.was writing;cameD.wrote;was coming
问题描述:
When I _ the letter,he _to visit us?A.wrote;cameB.was writing;C.was writing;cameD.wrote;was coming
答
C.was writing;came
当他拜访我们时,我正在写信