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C. must read D. ought to read 2. The children ____ by the nurse. A. were looked B. looked after C. were looked after D. looked 3. He ___ some pieces of advice, but he ____ to them. A. gave, didn39。t listen 4. When____ the accident _____ ? A. was, happen B. did, happen C. is, happen D. was, happened 5. The question ____ by us soon. A. is going to discuss B. will discuss C. is going to be discussed D. has been discussed 6. The lab ____ about five years ago. A. was builded B. was built C. builds D. has been built 7. A lot of tall buildings _____ in his hometown in the last three years. A. have set up B. have been set up C. were set up D. set up 8. They ____ printing 500 copies by the end of last month. A. had finished B. have finished C. had been finished D. have been finished 9. Rice ___ also _____ in their hometown. A. is…grown B. is…grew C. was…grew D. was…grown 10. He ____ by the teachers. A. is always praised B. praises C. have been praised D