Đọc và chọn một từ thích hợp đã cho trong khung để điền vào chỗ trống trong đoạn văn

Đọc và chọn một từ thích hợp đã cho trong khung để điền vào chỗ trống trong đoạn văn.

drawbacks     caused       negatively            from              making

Living in a city has a number of (26)________. Firstly, there is the problem of traffic jams and traffic accidents. The increase in population and the increasing number of vehicles have (27) ________ many accidents to happen every day. Secondly, air pollution (28) ________ affects people's health, and it also has a bad influence on the environment. More and more city dwellers suffer (29)________ coughing or breathing problems. Thirdly, the city is noisy, even at night. Noise pollution comes from the traffic and from construction sites. Buildings are always being knocked down and rebuilt. These factors contribute to (30) _______ city life more difficult for its residents.