Choose the correct answer to the following question

Water power gives us energy _________ pollution.

Choose the word whose underlined part differs from the other three in pronunciation in the following question

 Choose the word whose underlined part differs from the other three in pronunciation in the following question

Choose the word that differs from the other three in the position of primary stress in the following question

Choose the word that differs from the other three in the position of primary stress in the following question

Choose the most suitable response to complete the following exchange.

“Could you tell me how to get to the post office?” “_________”

Choose the most suitable response to complete the following exchange.

Nam: Personally, I believe wind power is cheap, clean and safe.

Hoa: _________, but if the wind doesn’t blow, there is no wind energy.

Choose the correct answer to the following question

Geothermal energy is produced from the heat stored in _________ earth’s core.