--- What are you doing here, Mrs. White?---I'm waiting for my son. He________ back from school.
Many people do not realize the importance of health ______they have fallen ill.
They go out of their way _______at home.
Without_______a word, the man left in a hurry.
I will call you as soon as he _______here tomorrow.
Yesterday we all went to visit the Great Wall_______Jenny, beause she was ill in hospital.