Trên hình vẽ, ta có ba hình vuông đặt trong một tam giác. Hình vuông nhỏ nhất có cạnh bằng 16 cm, hình vuông lớn nhất có cạnh bằng 36 cm. Hỏi hình vuông ở giữa có cạnh bằng bao nhiêu? Giúp mình với mọi người

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Fill in the blanks 1. There ….. my bedroom. A. Am B. is C.are 2. - …. there a garden? - Yes, ….. is. A. Is – there B. Are – this C. Am – these 3. - ………… tables are there? - There are five. A. How long B. How far C. How many 4. - How many …. do you have? - I have five A. doll B. kites C. plane 5. - There are four …… A. windows B. window C. door 6 . - ……. are the posters? - They’re on the bed. A. What B. When C. Where 7. - Where …. the cat? - It’s under the table. A. am B. is C.are 8. - Where are the ……? - They’re in the cage. A. parrots B. parrot C. rabbit 9. - …… is Ha Long Bay ? - It’s in north Viet Nam1 A. What B. When C. Where 10. - Where’s Hue? - It’s in ….. … Viet Nam A. North B. South C. Central 11. - Where’s Ho Chi Minh city? - It’s in …….. Viet Nam A. North B. South C. Central 12. - Is Ha Noi …… Hue? - No, it isn’t. It’s …. from Hue. A. near – far B. far – near C. near – near 13. Is Hai Duong near Ha Noi? A. Yes, it is B. No, it isn’t. 14. - Are there ….. maps in your room? - Yes, there are A. this B. any C. that 15. - Are there any sofas in your living room? - No, there ….. A. are B. is C. aren’t 16. - ….. you have a robot? - Yes, I …. A. Does – do B. Do – do C. Do – does 17. - Do you have a doll? - …., I don’t A. Yes B. No 18. - ….. he have a plane? - No, he …. A. Do – does B. Does – does C. Does – doesn’t 19. - Do you have …. pets? - Yes, I do. A. this B. any C. that 20. - Do you have any ….. ? - No, I don’t. A. parrots B. parrot C. cat 21. - What toys do you like ? - I like …. A. cat B. goldfish C. truck 22. - What ….. do you like? - I like rabbit A. pets B.toys 23. - …. are you doing? - I’m reading A. What B. When C. Where 24. - What is she doing? - She is …. A. cook B. cooking C. cooks 25. - What …. you doing? - ….. am cleaning the floor A. am - you B. is - she C.are - I 26. - What are they doing? - …….. are flying kites? A. He B. They C. You 27. - What is the …… like? - It’s sunny. A. weather B. weathers C. sun 28. - What’s the weather like? - It’s …… A. rain B. raining c. rainy