Why______ you do everything as if you have to win?
----Could you lend me that book you ____ me about when I telephoned you?-----No,I am sorry, I can’t. I gave it to a friend.
----I’m sorry, but there is no smoking on this flight.----Oh, I _____ that. Sorry, I won’t again.
The thing that _____ is not whether you fail or not, but whether you try or not.
—Have you finished your homework yet?—Not yet, I ___ to do it just a few minutes ago.
Off the east, the sky looked pale enough to ____ the storm would be passing quickly.