Tom, who had expected how it would go with his son, had a great worry ____ his mind.
There is plenty of rain in the southeast, there is little in the northwest.
Don’t leave the water while you brush your teeth.
We arrive at six. But I’m sorry we are late.
We all feel it is Jack as well as his wife that ________ for their son's bad performance at school.
—Do you know Anna's telephone number?—________.As a matter of fact,I don't know any about Anna,either.