IV. Choose the word or phrase (A, B, c or D) that best fits the blank space in the following passage? Trees bring Hanoians closer to nature City planners have claimed trees (26)________ an important role in an urban environment. Children (27)________ close to nature have better health, while walking in parks helps reduce blood pressure, stress and obesity. The problem is to select the right trees and (28)________ them. Ha Noi is considered one of the greenest cities in Viet Nam thanks to its beautiful and precious trees. Ancient trees in Ha Noi are frequently (29)________ in poems. Each street can be (30)________ by a tree. To local residents, the hundred-year old trees that line the streets are more than just beautiful, they are part of the city's identity. Due to the treasured place the trees have in the (31)________ of the local residents, Hanoians seem to have a lot of concern when construction workers chop them (32) ________ . Workers get away with digging around the trees without much care, and even (33) ________ the trees without enough earth to grow - making them vulnerable to storms. To (34)________ with the problem, Ha Noi's authorities have started a project of replanting trees: each of the capital's streets will be planted with two or three sorts of trees. Moreover, more people should be made (35)________ of the importance of protecting trees in communities. 41a. act b. play c. enjoy d. perform 42a. grow up b. grown up c. growing up d. being grown up 43a. maintain b. service c. provide d. care 44a. referred b. indicated c. spoken d. mentioned 45a. described b. presented c. expressed d. explained 46a. brain b. place c. centre d. heart 47a. away b. off c. down d. Ø 48a. leave b. remain c. cause d. have 49a. solve b. come up c. deal d. agree 50a. understood b. aware c. capable d. know