... being done now.17. When did they built this house?A. When this house was built/ B. When is this house built?C. When did this house build? D. When was this house built?18. A person who teaches ... its center. A. thing B. nothing C. something D. everythingIII. READING COMPREHENSIONA. Read the following passage carefully then choose the answer (A, B, C, or D) which you think is correctI ... rubbish this week.A. The rubbish have not been collected this week.B. The rubbish has been collected this week.C. The rubbish has not been collected this week.D. The rubbish is not collected this...