Those _______ suffer from headache will find they get relief from this medicine.

 ______ from heart disease for years, Andy has to take some medicine with her wherever she goes.

A. To suffer                          B. Suffered                   C. Having suffered   D. Being suffered

Those _______ suffer from headache will find they get relief from this medicine.

A．that              B．who              C．which            D．whom

From the earliest times men seem to have noticed the habits of insects, and to have learnt lessons from them. Ants and bees work very hard the summer, __1__enough food to last the winter. They set us a good example to__2__. If we waste time when the conditions are good for work, we shall probably__3__later; when we really want to work, we are__4__ to do so. Moths(蛾), and some other insects, cannot help flying__5__a light of any kind. The attraction seems to be too strong for them. As a result, they often__6__ themselves by flying into something that is burning, such as a lighted candle. In some countries, when such insects as flying ants become a nuisance(讨厌的东西), people__7__themselves by lighting fires at the doors of their cottages. Sometimes the insects fly into the fire in such large__8__ that they put it out. In literature we often find poets warning us of the danger of being attacked by__9__or beautiful things that will destroy us. Butterflies are admired for their __10__,though they receive very little praise for anything else. They fly__11__in the sunshine, going from flower to flower, happy all day long, leading a life of __12__.They are beautiful, but it seems that they are not of much__13__use to anybody. Some human beings lead very much the same sort of life__14__they are butterflies of society. Locusts(蚱蜢) are__15__. They are active enough, too active. They spend their time eating the food of others. __16__there are men like this, destroying things wherever they go, taking for themselves __17__belongs to others, using up everything and__18__nothing. They are human__19__. Perhaps it may be said that even the worst insects have one use:they__20__us not to be like them.

1. A. planting B. losing C. collecting D. growing

2. A. learn B. follow C. see D. accept

3. A. work B. realize C. suffer D. miss

4. A. anxious B. unnecessary C. nervous D. unable

5. A. towards B. from C. into D. away

6. A. destroy B. benefit C. give D. help

7. A. prevent B. keep C. protect D. escape

8. A. teams B. numbers C. groups D. lines

9. A. bright B. burning C. dirty D. lighting

10. A. size B. strength C. beauty D. work

11. A. about B. up C. down D. high

12. A. sadness B. pleasure C. business D. disability

13. A. real B. true C. greatly D. badly

14. A. but B. and C. or D. though

15. A. different B. similar C. blind D. honest

16. A. Luckily B. Immediately C. Unfortunately D. Scarcely

17. A. that B. which C. who D. what

18. A. preparing B. eating C. storing D. producing

19. A. locusts B. moths C. enemies D. butterflies

20. A. tell B. advice C. warn D. ask

_____ from heart disease for years, Andy has to take some medicine with her wherever she goes.

   A. To suffer                  B. Suffered                                          C. Having suffered   D. Being suffered