IX. Choose the best option to fill in each gap in the text.
Sometimes it is necessary to (44)……….. our habits. Saving energy is one illustration. If we can
(45) ………. more energy, such as water and electricity, we can help keep the natural environment safe.
Saving water, for example, helps preserve our rivers and reservoirs. If we usually take 10- minute
showers, in this case we should try to take shorter showers. When we go out, we (46) ………. remember
to shut off electronic like televisions and computers. Turning (47)……… the lights is another example
of saving electricity. In short, remembering to help the environment, such as by saving energy, is one of
our mostnecessaryresponsibilities.
Question 44. A. exchange B. turn C. change D. make
Question 45. A. help B. cut C. saving D. save
Question 46. A. must B. may C. had D. should
Question 47. A. on B. in C. without D. off
Loga
Sinh Học lớp 12
