8. Youngest boy has just started going to school； eldest boy is at college.
9. Dead no longer need help. We must concern ourselves with living.
10. John became manager and secretary of the company same time.
B．Insert a or the where necessary:
1. Horse is noble animal and faithful servant of man.
2. Chess is game which requires great skill and patience.
3. The stranger went to school to complain about behaviour（行为）of one of pupils.
4. Dinner was good, but I did not enjoy speeches that came after it.
5. An important aspect in developing motivation（动力，促动因素）is setting of goals.
6. —He got bronchitis（支气管炎） and was taken to hospital. I expect they’ll send him home at end of week.
—Have you rung hospital to ask how he is?
7. Didn’t you hear that news over radio this morning?
8. Flute（长笛） is my favourite instrument.
9. We have very good train service from here to city center and most people go to work by train. You can go by bus, too, of course, but you can’t get season ticket on bus.
10. Everywhere man has cut down forests in order to cultivate ground, or to use wood as fuel or as building material.