Ⅰ. 单句语法填空
1. This is one of the reasons why operators love those systems(system).
2. Upon listening to the abrupt news, his heart is beating(beat) violently in her breast.
3. Frequent exposing to bad air can harmfully(harm) influence one’s well-being.
4. Do you really believe in the existence(exist) of god, which is believed by many people?
5. Prevention(prevent) of health-risky behaviors among the youngsters should be paid more attention to.
6. I tried to puzzle(puzzle) the matter out, but as you know, all is in vain eventually.
7. He succeeded in pulling(pull) through the illness, which is beyond the imagination of all people.
8. His word was received with loud cheers(cheer), while the next candidate was on the opposite.
9. The plane was carrying 250 passengers when it crashed(crash).
10. The astonishing(astonish) fact is that some eggs are laid upon his pillow.
