Find the one choice that best completes the sentence. 
6.My grangparents still keep the......way of life although they have been living in the city for nearly fifty years
A.natural B.conditional C.traditional D.old
7.People from......areas want to leave the country to find jobs in the city
A.rural B.urban C.far D.away
8.They belive that well.......jobs are a lot in the city
A.pay B.get C.paying D.offered
9.Farming depends a lot on...... .Farmers always expect fine weather
A.water B.electricty C.equipment D.nature
10.Floods, droughts can easily.......a harvest
A.harmful B.destroy C.kill D.change
11.A lot of country people move to the city, which makes an increase in......
A.people B.residents C.population D.dwellers
12.Many cities have become.....
A.overcrowded B.crowd C.crowded D.crowding
13.Overcrouding  in cities puts a.......on living conditions
A.stress B.strain C.pressure D.both b and c
14.Overcrowding is also a cause for environmental.....
A.pollution B.dirt C.contaminated D.destruction
15.Families can be......: children may be left at home while their parents go and work in an urban area
A.infected B.affected C.effected D.reflected
16.She......on a three-center tour next summer
A.will go B.goes C.is going D.has gone
17.he has cut my hair short-Don't worry, it......again very quickly
A.will grow B.grows C.is growing D.will have grown
18.The window-cleaner......at eight tomorrow morning
A.come B.is coming C.will come D.has come
19.He......for London in fews days.Would you like to go with him?
A.will leave B.leaves C.is leaving D.will be leaving
20.Which is......subject at school?
A.difficult B.more difficult C.as difficult D.the most difficult
21.She is Hollywood's top actress. She is.....actress in Hollywood
A.good B.the best C.the better D.the good
22.John is not such a careful driver as Jenny. Jenny is.....than John
A.as careful B.more careful C.the most careful D.careful
23.Computers are complicated machines, but.......thing is the human brain
A.the most complex B.complex C.more complex D.as complex as
24.I'm leaving!This is......movie I've ever seen!
A.the bad B.the worst C.the worst D.the worse D.bad
25.The plane shook a little when it...... .It made me nervous
A.took off B.took over C.took on D.took after
26.I'm applying......a new manadement position in my company
A.to B.in C.at D.for
27.I like to sit on pillows.They are a lot.....than a hardwood seat
A.comfortable B.more comfortable C.most comfortable D.as comfortable
28.Jack protected his eyes from the sun.....his hand
A.with B.by C.in D.of
29.I hope that I.....well on my final exams
A.do B.will do C.am doing D.will be doing
30.Textbooks are costly.They are getting.....every year
A.more expensive B.more and more expensive C.expensive D.the most expensive