81. ___________eat too much salt or salty food because it is not good for your health. A. To do B. Do C. Did D. Don’t 82. ______do you play tennis, Dick? – I play tennis twice a week. A. How B. How often C. How much D. How many 83. I’m going___________the Ngoc Son temple next week. A. see B. sees C. to see D. saw 84. Lan and Nam often listen to music in ____________free time. A. their B. his C. her 85. Some robots _____________ dangerous work for us in the future. A. do B. will be able to do C. could do D. can do 86. In the near future, a super smart TV ___________ me surf the Internet, send and receive my e-mails and contact with my friends from all over the world. A. might help B. helped C. helps D. to help 87. _________ soldier robots ____________ automatically or under human control in 2050? A. Could – fight B. Will – be able to fight C. Do – fight D. Can- fight 88. If we _________ the use of plastic bags, our world ____________ greener. A. reduce – is B. reduce – could be C. reduces - will be D. reduce – will be 89.Many years ago, people __________ the Internet by phones. A. might not surf B. couldn't surf C. won't suft D. can’t surf 90. His future house ____________ under the ocean. A. is B. was C. will be D. could be 91. If robots can do all of our work, there ____________ nothing for us to do. A. would be B. is C. are D. will be 92. A smart clock _____________ play music, take photos and be a device for internet surfing in the future. A. might B. could C. is D. should 93. ___________ robots ____________ to people 20 years ago? A. Could – talk B. Could – talked C. Might – talk D. Will – be able to talk 94. In the near future, home robots ____________ all of housework for humans. A. could do B. do C. will be able to do D. did 95. I ______________ Tom and Jerry many times. A. see B. saw C. am seeing D. have seen 96. I’d like _______________a picnic. A. have B. has C. having D. to have 97. You can watch Harry Potter on TV________________ you can read it. A. or B. when C. but D. so 98. _________________ do you go to the gym? – By bus. A. What B. How C. Why D. Which 99.He _________ out with his friends last week. A. is going B. goes C. has gone D. went 100. In 1958, Pelé____________his first world Cup. A. has won B. won C. win D. wins 101. ____________ language do you speak? - I speak English. A. which B. where C. when D. how 102. My brother___________- our grandmother next weekend. A. visit B. are going to visit C. is going to visit D. am visiting 103. How_______________ do you watch television? – Every evening. A. many B. often C. much D. old 104. It’s very hot. Why ________________go swimming? A. don’t we B. not we C. let us not D. we don’t 105. What about _______________by bus? A. we go B. going C. to go D. go 106. How_______________is a sandwich? - It's 2,000 dong. A. many B. much C. old D. often 107_____________is the weather like in the summer? A. What B. Which C. How D. When 108. My future house will have a hi-tech robot to__________the floors. A. clean B. cleaning C. cleaned D to clean 109. Hoa has never ________ to London . A. been B. is C. was D. be 110. How much _________do you want? A. eggs B. tea C. oranges D. apples