Complete the conditional sentences by using the correct forms of the verbs in brackets. Many people think of creativity as chance Eureka moments. The mathematician and inventor who coined the term Eureka, Archimedes, discovered that the weight of an object floating on water is the same as the amount of water it displaces. He made this discovery by chance. If he (1)……….(pay) more attention to the amount of water in his bathtub, he (2) ………. (not step) into it and spilt water over the side. Apparently, we (3) ………. (not have) penicillin today if Alexander Fleming (4) ………. (be) a bit tidier and washed his petri dishes before he went on holiday. On his return, he discovered the penicillin mould had killed bacteria on the dishes. What (5) ………. (our world/be) like now without these discoveries? The book Inside the Box by Drew Boyd and Jacob Goldenberg suggests that such moments are rare and if we (6) ……….. (rely) on these 'methods', we would not get very far. In fact, the authors say, most inventions come from following a limited set of rules. The rules can help failing schools and companies. if they (7) ………. (integrate) the rules into their teaching and product development, they (8) ……….. (become) more successful. The implication of their argument is that it's not all up to luck.

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117. The world (be) is round. 118. A: What………………… (you/do) now? B: I (write)…...to my parents. I (write)………to them every month 119. Look! It (snow)…………………….. 120. A: What time……………………. (you/usually/finish) work? B: I often (finish)…………..my work at 5pm everyday. 121. A: How (you/travel)……………….to work everyday? B: I always (go)…………to work by car everyday. But now I (go)………..to work on foot because my car (be)…………...broken. 122. The earth (circle)……………the sun once every 365 days. 123. It (get)……………out of date now. 124. Ronaldo (come)……….to Viet Nam next August. 125. A: What (your father/do)………………………………..? B: He (be)………………..an engineer. 126. Stop! Our parents (call)………………….us. 127. You (look)………………..different from your father. 128. We (have)………….a wonderful time in New York now. 129. Tomorrow we (fly)……………..to Hong Kong. 130. We (meet)……………Tom at the airport at 8pm tonight. 131. They (live)………………………in Ha Noi now. 132. A: Why (she/cry)……………………………..? B: She (miss)………………..her lover now. 133. The English (speak)……………. English very well. 134. A: Where (you/be)……………………from? B: I (come)…………………….. from Viet Nam. 135. She (not/go)………………to the zoo twice a week. 136. She (have)………………..nice eyes. 137. I (learn)…………. English if I (meet)……….her. 138. A: Why (you/want)…………….to change the plan? B: Because I (meet)……………. David at 7pm tonight. 139. Rice (not/grow)…………in cold climates. 140. Wait! I (come)…………………………… 141. If the typhoon (be)……….more powerful, the whole area (be)…………….destroyed completely.

38. They (come)………. back from USA next year. 39. Yesterday (be)…………my birthday. 40. David (give)………….me a present at present. 41. A: How many days a week (you/go)………………..to school? B: I (go)………………….to school 5 days a week. 42. They (read)…………… a newspaper now. 43. The picture books (be)……………very interesting. 44. A: What time……………..you often (go)……………..to bed? B: We always (go)…………..to bed at 10pm. 45. If she (be)…………..here, I (say)…………… “I love You”. 46. It (get)……………..hotter and hotter. 47. It (be)…………..very hot yesterday. 48. I (eat)…………a banana everyday. 49. Peter (eat)…………a cake every night. 50. Look! Miss Thuy Lam and Miss Trang (smile)……………… 51. Peter (eat)…………a cake last night. 52. There (be)………a school here in 2020. 53. Liu Jing (come)…………from China. 54. Listen! I (think)……….someone (knock)…………at the door. 55. His father (give)…………….him a lot of money everyday. 56. Watch out! You (cut)…………your hand. 57. The sun (rise)……..….in the East and (set)………...…in the West. 58. My father (buy)………….a bike last year. 59. He often (go)………….to sleep at 10 P.M. 60. Mr. Thang (repair)………….my car if he (have)…….free time. 61. They (spend)…………….their holiday in Ha Long Bay next month. 62. We (go)………………..to the English club everyday. 63. I (do)………….my homework 2 hours ago. 64. What (happen)…………if they (be)………..late. 65. I (get)……………up at 7:00 am everyday. 66. He (not/steal)……….that car last month. 67. Listen! Someone (knock)…………………at the door. 68. Where (be)…………you yesterday? My friends and I (be)………….in Diamond Plaza. 69. We (go)…………to school everyday. 70. They (build)…………a new university here in 2020. 71. They (build)…………a new university here in 2000. 72. Peter (repair)…………..his bicycle tomorrow. 73. If my parents (forgive)………me, I (go)……………….home. 74. Look! Our teacher (come)………………… 75. Mr. Tam (be)………….a doctor 3 years ago. 76. If the walls (be)………clean, the room (look)……….bright. Các bạn giúp mik vs!!!