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1.What are they doing? – They are…………. with paper boat. A. doing B.playing C. making 2. Has she got any pet? – No, she…………. A. has B. haven’t C. hasn’t 3. How many………… are there in your bedroom? – There are two. A. chair B. chairs C. x 4. What’s Mai doing? – She…………….. A. play cycling B. is cycling C. cycles 5. How old is your…………….? – He’s thirty-four. A. sister B. mother C. father 6. What is the…………… today? A.activity B. colour C. weather 7……………many cats do you have? A. Why B. How C. What 8. what ……………….are your dogs? – They are black and white. A. colour B. yellow C. sunny

Bài 10: Cho A = 1 + 3 + 3^2 + 3^3 + 3^4 + 3^5 + 3^6 + 3^7 a, Tính 3A b, Chứng minh A = (3^8 - 1) : 2 Bài 11: Cho Q = 1 + 3 + 3^2 + ... + 3^2006 a, tính 3q b, chứng minh q = ( 3^2007 - 1) : 2

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Viết bài văn bằng tiếng anh về food and drink around vietnam. các bạn làm hộ

Bài 9: Cho tổng P = 1/5 + 1/6 + 1/7 + .... + 1/17 CMR D < 2 Cho tổng A = 1/10 + 1/11 + 1/12 + ..... + 1/99 + 1/100

mn giải giúp em và giải thích giúp e ạ em cám ơn

Hyhy giúp mình nhé ? Làm đúng là đc Làm trong 45p thôi nhó ❤

viết về ngôi nhà của tớ nha có gì thì hỏi ạ cảm ơn