---Will you go to Betty’s birthday party?---No, _______invited.
She said she would work it out herself, ________ ask me for help.
________ a difficult situation, so you should send him a message and give him some advice.
—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.