Bill,_____ you have fanished your homework,Let's go to fly kites now.
问题描述:
Bill,_____ you have fanished your homework,Let's go to fly kites now.
并请说明原因,
答
Bill,__SINCE___ you have fanished your homework,Let's go to fly kites now.
比尔,既然功课昨晚了,我们去放风筝.
since表示原因!