She has a gift for creating an atmosphere for her students _______allows them to communicate freely with each other.
—Oh, I failed again —Don’t lose heart. One more effort, ________ you will succeed.
I told Sally how to get here, but perhaps I _______ for her.
The old house, in front of ________ there is an apple tree, is ________ I used to live.
She took her son, ran out of the house, ________ him in the car and drove quickly to the nearest doctor’s office.
You should put on the notices ________ all the people may see them.