He_______gardening after his retirement.
Shut the window, _________ it’ll get too cold here.
It looks as if they are going to _________ us 3,000 dollars for the concert hall.
Coming into the room, I found them ________ at the table, _________ chess.
She was scared _______ when hearing the sound of explosion.
With a lot of problem ________, the newly – elected president is having a hard time.