There has been_____ rising demand for grain as_____ industrial material in spite of the nation’s
good harvests.
| A．/, an | B．a, an | C．the, an | D．a, / |
19. The orphan was brought _____ by the villagers and 20 years later he became the village Party branch secretary.
| A．up | B．on | C．down | D．Off |
18. The _____ I know him, the _____ I admire his abilities.
| A．much; much | B．more; most | C．better; more | D．better; most |
17. The boy sat at the top of the hill, looking at the valley ______.
| A．under | B．above | C．up | D．Below |
16. I have never heard such a beautiful song _____.
| A．ago | B．before | C．later | D．Just |
15. With the development of West China, many technicians are _____ needed there in recent years.
| A．many | B．bad | C．badly | D．Well |