_____ such a great trouble, the little girl didn’t know what to do.
19. The orphan was brought _____ by the villagers and 20 years later he became the village Party branch secretary.
18. The _____ I know him, the _____ I admire his abilities.
17. The boy sat at the top of the hill, looking at the valley ______.
16. I have never heard such a beautiful song _____.
15. With the development of West China, many technicians are _____ needed there in recent years.