---Does tiredness or inadequate sleep cause dark circles under eyes?---Lack of sleep will _______ making your skin look pale, and this will make your circles look darker.
_________is going to do the job will be decided by the Party committee.
____ we can't get seems better than ____ we have.
________leaves the room last ought to turn off the lights.
I’m not sure ______ he will win the game or not.
This is ______ my parents are worrying about.