Inordertoincreaseouroutput,weneedtoimportmoreproduction_______.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
The engineers in this lab spent several weeks _______their plans for the new bicycle.
Withthehelpofthegovernment,alargenumberofpeople---_______afterthefloodin1991.
Students with _______ problems may apply for student loans.