--- Mom, what did your doctor say? --- He advised me to live the air is fresher.
Mary wanted to travel around the world all by herself,but her parents did not ______ her to do so.
Now I come here at the ______ of Mr.Smith to assist him finishing the work.
He left ______ with my secretary that he would call again in the afternoon.He said he would keep ______.
I sat until after eleven,______in a book.
The workers will go on strike if the demands they ______ put forward are turned down.