【正文】
since has lived since have studied for have been since has known for Work in pairs. Write a short conversation. A: Hello, Mary! B: Hello, Daming! A: May I ask you some questions? B: Sure! Go ahead. A: How long have you known your oldest friends? B: For almost ten years. A: How long have you studied English? B: Since 2020. A: How long have you lived in your city? B: Since the day I was born. A: How long have you known your teacher? B: For one year. A: How long have you been at this school? B: Since 2020. Underline the correct answers. 1. were 2. lived 3. moved 4. wrote 5. has just started 6. have moved 7. have seen Activity 6 1. thousands of 2. pays for 3. trains 4. drop out of 5. help 6. study 7. difficult one hundred 100 one thousand 1,000 one million 1,000,000 one billion 1,000,000,000 one point one Match the words with the numbers. 1. a billion 2. four thousand 3. three hundred and twenty 4. five million 5. six point two 6. twelve point three six 7. nine point four three a. b. 1,000,000,000 c. d. 4,000 e. f. 320 g. 5,000,000 Repl