Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
A、canalSome states in the United States _______ people tocarry guns.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
Withthehelpofthegovernment,alargenumberofpeople---_______afterthefloodin1991.
The _______ is nearly dead , so I can not start the car again.
After working for twenty hours without any rest, the doctors were _______.
