Because of the strong sun Mrs. William's new dining room curtains _____ from dark blue to gray within a year.
She ought to stop working; she has a headache because she _________ too long.
-Not getting that job was a big disappointment. -Don’t worry. Something better will ________.
The man we followed suddenly stopped and looked as if _________ whether he was going in the right direction.
-- How can you ________ that he is from the North.9 -- Simply by his accent.