er August, heavy rains cause river levels to rise and make Son Doong Cave largely A. accessible 7. At the peak of its A popular A. How cool 8. Tom: "I've just found 20 dollars in my pocket! Mary: A. work 9. She spent the whole day 10. It rained B. accessibly B. popularity A ups and downs A. who in the late nineties, the band sold ten million albums a year. B. How crazy B. working 19. The police have to try to catch the men B. whom C. access yesterday, so we could not go sailing. C. popularize 20. The building will be sold next month C. Thanks a lot in her office, so she came home exhausted. C. to working B. chalk and cheese C. they D. inaccessible drive dangerously. D. popularly D. which D. That's right C. fast and furious D. worked they have run out of money. D. cats and dogs