complete the conversation. use the present perfect or the past simple form of the verbs in brackets. - mum: sam, ' have you seen (you/see) julia? sam: no, 12. (not see) her since last night. we (watch) tv but she was tired, so she .. (go) to bed. why? mum: she isn't here and she ) to school. her teacher call sam: i don't know.? (you ask) dad? mum: trang the office, but he 8. (still not reply) to my message. julia: hi! mum: julia! where' (you be)? julia: sorry, mum. i 10 (not feel) very well, so 111 (go) to the doctor. 118 grammar reference

3. Which is the heaviest animal in the world? The blue whale.

4. Which is the longest wall in the world? The Great Wall of China.

5. Is Mount Everest higher than Kilimanjaro? Yes, it is.

6. Which is the smallest continent in the world? Australia.

7. Does the cheetah run faster than the lion? Yes, it does.

8. Does the blue whale make a louder sound than the polar bear? Yes, it does.

9. Which are the tallest buildings in the world? Burj Khalifa, Shanghai Tower.

10. Has a falcon got better eyesight than a human? Yes, It has.

3. Which is the heaviest animal in the world? The blue whale.

4. Which is the longest wall in the world? The Great Wall of China.

5. Is Mount Everest higher than Kilimanjaro? Yes, it is.

6. Which is the smallest continent in the world? Australia.

7. Does the cheetah run faster than the lion? Yes, it does.

8. Does the blue whale make a louder sound than the polar bear? Yes, it does.

9. Which are the tallest buildings in the world? Burj Khalifa, Shanghai Tower.

10. Has a falcon got better eyesight than a human? Yes, It has.