Complete the paragraph by circling the correct words. For several years, many people have (1) possibility of flying to Mars. One of the 106 problems with such a trip, however, has (2) (US$10,000,000,000) to (3). Elon Musk, a billionaire businessman, recently announced his plans to change (4) company that he created, and he (5) by selling tickets to Mars for only US$200,000. (6) do this? The answer is technology. With new technology, he believes, his company will (7)_ about the the cost: US 10 billion dollars one person to the red planet. He is the CEO of Space X, a to change the world can he to make the long trip to Mars affordable. 1. (A) talk (B) talked (C) talks 2. (A) being (B) be (C) been 3. (A) sending (B) sent (C) send 4. (A) this (B ) those (C) these 5. (A) hope (B) hopes (C) hoping 6. (A) What (B) How (C) Who 7. (A) be able (B) able (C) ability

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