_____________ late, but also he forgot his books.
(2012江西卷)It suddenly occurred to him he had left his keys in the office.
As many five courses are provided, and you are free to choose ______ suits you best.
Scientists study ____ human brains work to make computers.
(2012辽宁卷)The newcomer went to the library the other day and scarched for he could find about Mark Twain.
_____ I want to tell you is the deep love and respect I have for my parents.