______ returning home, she found a note _________ to the door, reading: “Call in later.”
Luckily, Smith brought a map, __________ we would have got lost.
Yao Ming is generally ________ as the best basketball player in the world.
You can’t find such a good place ______ we visited the other day.
Without ____ participation of so many people, the completion of such a project in a short period would be out of ______ question.
He apologized for _____.