tác dụng của việc lặp lại tiếng chim tu hú ở cuối bài thơ "khi con tu hú" là gì?

Tìm số nguyên x,y biết (x+2)(y-3)=-3 (x+2)(y-1)=3 |x-1||y+1|=2 (a+7)^2 - 6(a+7) + 14 chia hết cho a+7

Exercise 5:Put the verbs in bracket into the present perfect tense. 1. My uncle (work)…………………in this factory for 10 years. 2. I (meet)………………….this man several times. 3. Betty(know)………….Terry for a long time. 4. He(read)………….. this book three times. 5. I(not see)……………that movies. Is it a good movie? 6. You(ever be)……………….to Paris, Mr.Lam? 7. Peter and his brother (learn)…………………….English for three years. 8. Mr.Green ( play)……………chess since 8 o’clock? 9. It (not rain)………………since last week. 10. She(not see)……………………this film before.

Mk cần gấp bạn nào giúp vs ạ❤️❤️😢😢😢

Sa Pa’s love market has become unique in the culture of the Mong and Dao ethnic groups (17) ______ a long time. Due to the distance between the villages, the market meets once a week on Sunday. On the Saturday night, guys and girls from villages come to Lao Cai (18) ______ one another. They talk, sing and (19) ______ different games according to their ethnic groups’ tradition. After the night, many couples become intimate and promise to see each other again on the following morning. Many of (20) ______ become husbands and wives in the spring. That is why the poets in Lao Cai called the market Sapa’s Love Market. The most popular Love Market in Lao Cai is organized in nowhere else but Sa Pa, where it is gaining more and more (21) ______ of not only the ethnic people but also the travelers from many places in the world. 21 A: attention B: attend C: attending D: attended

Giúp mk với ạ Cho đường tròn (O; R), đường kính AB. Từ điểm M bất kì trên đường tròn vẽ tiếp tuyến cắt 2 tiếp tuyến tại A, B lần lượt tại C và D. Cho góc MAB = $60^{o}$ . CM: Δ BDM đều, tính cạnh và S Δ BDM theo R

Về ý nghĩa, chiến dịch Biên giới thu - đông 1950 khác chiến dịch Việt Bắc thu - đông 1947 ở chỗ

Write a short paragraph about a famous people

Giúp mik bài này với. I.Hoàn thành các câu sử dụng hình thức đơn giản trong quá khứ của các động từ. 1. We (stop) in the grocery store and (buy) ______ some sandwiches. 2. That (be) ______ better than waiting for two hours. 3. I (not go) ______ to school last Sunday. 4. She (get) ______ married last year? 5. What you (do) ______ last night? - I (do) ______ my homework. 6. I (love) ______ him but no more. 7. Yesterday, I (get) ______ up at 6 and (have) ______ breakfast at 6.30. 8. They (buy ) ................ that house last year. 9. She (not go) ............. to school yesterday. 10. That boy (have) ............... some eggs last night.

Ai giúp mk ik làm ơn mk cho 5 sao