----- Nội dung dịch tự động từ ảnh ----- C. and then it burned my tongue D. to have burned my tongue Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. 20. His doctor advised him to stop to smoke. A B C D 21. At first life was difficult for me because of I didn't understand English. A C D 22. Copper comes from seven types of ores that also contain the other materials. C D 23. Silicon chips contain thousands of circuits in an area as smaller than a fingernail. A D 24. Although Connecticut occupies a small area, its weather can vary from one A B C area to others. D
