giúp mình với ạ ----- Nội dung ảnh ----- **Present perfect and past simple** VIII. Choose the correct words. 1. David **has been** / was at the beach for hours. I think he’s having a great time there. 2. **Have your friends bought** / Did your friends buy tickets for the concert yesterday? 3. My younger sister **has started** / started school six months ago. 4. So far this week we’ve **seen** / saw two funny films on TV. 5. I’ve **talked** / talked to my grandparents on the phone last week. 6. What’s the noise? **Have your neighbours bought** / Did your neighbours buy a new dog recently? 7. **Have you seen** / Did you see Nick this week? 8. We’ve **known** / We knew Ann and Tom for three years. We’re really good friends now.