Choose the correct answer A, B, C. or D to fill each blank in the following passage.
    People enjoy living in large cities. But cities have problems. One problem is that they frequently grow very rapidly. Transportation (25)_____ complicated. There are a lot of cars, buses and bicycles. As a result, people are trying to improve the big cities, and they are also planning for new cities. Plan A is a large city (26)_____ smaller cities around it. There is an open land with trees, fields, and lakes between the large city and smaller cities. Each small city is (27)_____ .It has offices, schools, hospitals, and places of entertainment. In Plan B the cities are (28)_____ by a road. In Plan c, the cities are in rings around the central city and all of them are connected to each other. The goal of all these plans is to limit the (29)_____ of the large city.
25. A. returns    B. becomes    C. develops    D. happens
26. A. with    B. for    C. in    D. at
27. A. finished    B. entire    C. total    D. complete


28.  Ạ. Chain                                B. connected         C. attached                D. fastened
29. A. progress    B. growth    C. improvement    D. movement