–Why do you look so upset? –The electricity was cut off suddenly and my essay _______ unfinished since.
____all the required papers. he didn't answer the questions fluently in class.
.--I sent him a most interesting story book by mail this morning. --You____so; he's coming tomorrow morning.
They____on the program for almost one month before l was arranged to help them. Now, we____on it as no result has come out.
Meeting my uncle after all these year was an unforgettable moment ,_______I will always remember.
---Keep a____eye on your little girl! -Oh, my God! She is standing too ____to the fire.