—Tom often drives carelessly.—Tell him he ________ answer for it if he goes on behaving like that.
____ that we all went out, lying in the sun.
She __________ have left school, for her bike is still here.
News came from the office __________ Wang Lin had been admitted to Beijing University.
Among all the birthday gifts ______ a DIY card, which I like best.
___ you lose the paper document, sign in www. Sina.com, __ you might download all you need.