good manners to say “Sorry” when you knock into someone but no need to say it again and again .
—I feel so nervous about the National English Speech Competition tomorrow. —_______.
It was not until _______ that _______ to prepare his lessons.
In the summer months the difference in temperature between the south and the north can be ________ twenty degrees!
________ I’m concerned, they have no way of keeping away from the danger.
—I find it astonishing that John ________ be so rude to me. —Not astonishing at all. He is always rude to others.