.They ______ be at home. You see, the door is locked from the outside.
He had no sooner finished his speech________ the students started cheering.(2011·辽宁)
He smiled politely ________ Mary apologized for her drunken friends.(2012·山东)
________ we have enough evidence,we can't win the case.
He is so busy.He cannot afford enough time with his son________he wants to.
I have heard a lot of good things about you ________ I came back from abroad.