We see the lightning____it happens,but we hear thet hunder later.
Chang’e2 did many experiments, ______ I think are of much help for knowing space.
— Could I have the small table by the window?— Sorry, sir. It ______ in advance.
So far as I am concerned, he is a determined man and on no account ______ die easily.
There are several people who have called _______ the advertisement we placed in yesterday’s newspaper.
Don’t take ______ for granted that he will agree with you on the subject.