I'll be home late, but please don't stay ____ for me.
The place __ the bridge is supposed to be built should be ____the cross-river traffic is the heaviest .
Mary wrote an article on ____the team had failed to win the game .
After Yang Liwei succeeded in circling the earth ,_______our astronauts desire to do is walk in space .
we can not figure out ____quit a number of insects ,birds ,and animals are dying out .
He was chosen _________ of the company.