After working for twenty hours without any rest, the doctors were _______.
A
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Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
When traveling alone in the mountains, you ’d better take a _______ with you in case you get lost.
Some states in the United States _______ people tocarry guns.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.