Giúp mình với mọi người:33
V.Read the following passage and choose the best answer for each blank.
Coal is a black solid fossil fuel. It is usually very (26)______. Coal is made of 65%-95% carbon. It also has hydrocarbons and some other compounds in it. It is (27)______from the remains of plants (28)______lived millions of years ago.
Coal can be burned for energy or heat. About two-thirds of the coal mined today is burned in power stations to (29)______electricity. Burning it is not as common as it used to be, because it causes much (30)______.
26. A. hard B. soft C. colorless D. transparent
27. A. done B. made C. taken D. built
28. A. whom B. whose C. that D. who
29. A. do B. find C. look for D. make
30. A. pollutants B. pollution C. polluting D. polluted