NHanh giúp tớ vs ạ!!!!
TREES FOR LIFE
    Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (6) ____________ being nice to look at, trees also (7) ____________ an important role in improving the quality of our lives.
    On a world-wide scale, forests help to slow down the effects of global warming by using up the gas (8) ____________ as carbon dioxide and giving (9) ____________ the oxygen we need to breathe. At local neighborhood level, trees also bring important environment benefits. They offer shade and shelter, which in turn reduces the amount of energy needed to heat and cool (10) ____________ buildings; at the same time, they also remove other impurities from the air we breathe.
    Urban trees are especially important because for many people they provide the only daily (11) ____________ with the natural world. What's (12) ____________, urban trees also provide a home for birds, small animals and butterflies. (13) ____________ the trees we would lose the pleasure of seeing these creatures in our cities. Regrettably, (14) ____________, trees in the cities are now coming under threat. There is a limit to the level of (15) ____________ they can put up with and, down at street level. Their roots are being seriously disturbed by the digging needed to make way for modern telephone, television and other cables.
6. A. as far as                      B. as long as                     C. as soon as                      D. as well as
7. A. play                             B. show                             C. act                                 D. serve
8. A. called                          B. known                           C. titled                             D. referred
9. A. in                                 B. away                             C. up                                 D. out
10. A. opposite                    B. close                             C. next                               D. nearby
11. A. communication         B. change                         C. contact                           D. taste
12. A. more                          B. else                            C. most                            D. other
13. A. Throughout               B. Beyond                       C. Without                       D. Outside
14. A. therefore                    B. however                     C. because                       D. despite
15. A. polluted                     B. pollution                    C. pollutants                    D. polluting