(Làm và giải thích giúp mình với ạ! Hứa vote) 7. The President visited the area to see the devastation ______. A. on first hand​B. at first hand​C. on first hands​D. at first hands 8. Because of road works, traffic is restricted to one ______ in each direction. A. lane​ B. row​ C. alley​ D. path 9. They are going to tear down those old warehouses to ______ for a big new hotel. A. make path​ B. do way ​C. do path​ D. make way 10. He enjoyed the dessert so much that he accepted a second _____ when it was offered. A. sharing​ B. pile​ C. helping​ D. load 11. As an ecotourism ______, the park provides visitors with beautiful landscape. A. land​ B. park​ C. place​ D. site 15. I was immensely ______ to hear that none ofmy relatives was kill in the bus accident. A. healed​B. improved​C. recovered​D. relieved 16. Mr. Roboson’s job is to teach the young officers _____ their duty in the right way. A. operate​B. perform​C. commit​D. proceed 17. ______ dangerous the situation is, Jim always indulges himself in it head first. A. In spite of ​B. However​ C. No matter what​ D. Though 18. The Internet has led to the faster and more effective _____ information. A. spread​ B. coverage​​ C. dissemination​ D. expansion 19. “I saw you studying at the library last night.” “You ______. I wasn’t there.” A. wouldn’t have​ B. have​​ C. might have​ D. can’t have 20. By 1890, there were over 60 steamboats on the Mississippi River ______ were quite luxurious. A. many of which ​​B. many of them​C. which many​D. many those