1.planting more trees will provide us better surroundings____there is less dust or noise.
A. that B. which C. where D. what
2.Do you know __he expects will give us a talk on how to write a good essay?
A. whose B. whom C. that D. who
3.______himself with necessary knowledge and skills, the young man went to the job
interview with much confidence.
A. Equipped B. Equipping C. Having equipped D. Being equipped
4.Nowadays, people are kept_____of what is going on all over the world through a variety of media.
A. informed B. informing C. inform D. to be informing