The mother who lost her son insisted that the careless driver for the traffic accident yesterday .
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.
It is strange that the well-behaved gentleman _______ be so rude.