12. In our school library, there are several large tables__________ we can sit to read books. A. when B. which C. where D. that 13. This house,

12. In our school library, there are several large tables__________ we can sit to read books. A. when B. which C. where D. that 13. This house, ________ he bought in 1990, is being repaired at the moment. A. what B. that C. who D. which 14. Yesterday was the day_____ they celebrated their 21st … Đọc tiếp