No matter how frustrated she was in her heart, she would _______ others with a smile as usual; she didn’t want to let them know.
You’d better keep ______ when I take photos for you.
I can’t afford _______ car.
Along the either side of the street _______ two lines of trees.
______ interested us most was ______ he saw last night.
We make ________ that whoever leaves last turns off the light.