Sắp xếp các từ sau để hoàn thành câu

Sắp xếp các từ sau để hoàn thành câu.

1. Vietnam/ sources./ than/ got/ more/ other/ energy/ energy/ from/ coal/ from/

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2. Nuclear/ and efficient/ power/ producing/ is/ a/ clean/ way/ of/ electricity,/ be/ dangerous./ but/ it/ may/

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3. A coal/ pollution./ power/ plant/ it/ causes/ is/ cheap/ to build,/ but/

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4. Scientists/ a new/ to replace/ are/ for/ energy/ coal/ now./ looking/

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