Em đang cần gấp mong mn giúp ạ :) Thank you

tính S biết S=1+1 phần 2+1 phần 4+1 phần 8+...+1 phần 1024 bằng bao nhiêu

Giúp mình câu này với ai làm đúng mình tick 5 sao (60 điểm). ĐỪNG SPAM

7. We to the countryside two months ago. A. go B. have gone C. went D. will go 8. What will you do if you the final examinations? A. will pass B. would pass C. pass D. passed 9. It rained hard. , my father went to work. A. Therefore B. However C. Because D. So 10. Your sister writes poems and stories, she? A. does B. doesn’t C. will D. won’t 11. Laura fell asleep during the lesson she was tired. A. so B. but C. because D. therefore 12. How much do you want? A. bananas B. eggs C. candies D. sugar 13. Tomorrow the director will have a meeting 8:00 am to 10:00 am. A. between B. from C. among D. in 14. We will start our trip 6 o’clock the morning. A. in / in B. at / in C. in / at D. at / at 15. We anything from James since we left school. A. haven’t heard B. heard C. don’t hear D. didn’t hear 16. You have lived in this city since 1998, ? A. haven’t you B. didn’t you C. did you D. have you 17. My students enjoy English very much. A. learn B. learnt C. learning D. to learn các bn giúp mik vs

giúp mik vs ạ, mik đg cần gấp cảm ơn trc ạ

EX1. Put the verbs in the brackets into the future tenses 1. I'm sure they (complete) _______________the new road by June . 2. He (wait)_____________ for you when you (get) ______________back tomorrow .3. At this same time tomorrow, we (drive)______________ through Pennsylvania. 4. We (see) ______________you next Monday. 5. Who (look) _______________after the children when you are away? 6. By November I (work) _____________for this company for 6 years. 7. If you call her at 6, she (practise) ____________the piano then. 8. By March 15, I (be) ______________here for one year. 9. We (move) _____________to our new house at Christmas this year. 10. By the end of December, John (work) ____________as a reporter for ten years. 11By the time you arrive, I (finish)__________________ writing an essay. 12.1 (give) him your message when I (see) ______________him. 13. Don't call him at 2:30 p.m. He (interview) ____________job applicants at that time .14. The teacher hope we (pass) ______________our exams. 15. I hope the weather (be) _______________fine tonight. Ex2. Choose the best answer 1. We'll go out when the rain ..................A. stoppedB. stopsC. stopD. has stopped 2. I .................. here until he .................. me.A. will stay/ answersB. stay/ will answerC. stay/ answerD. will stay/ will answer 3. Wait until I .................. you.A. will catchB. catchesC. catchD. caught 4. She .................. until you .................. ready.a. won’t come/areB. doesn’t come/ will be C. doesn’t come/areD. won’t come/ is 5. Miss Helen .................. you as soon as she .................. that letter tomorrow.A. will help/ finishesB. helps/ will finishC. will help/ will finish D. help/ finishes 6. After the class .................. over, ask the teacher about that sentence.A. isB. will beC. had beenD. would be. 7. I .................. you before I leave here.A. will visitB. visitC. had visitedD. would visit 8. We .................. home as soon as we have finished our work.A. goB. will goC. wentD. would go 9. I .................. here until you .................. back tomorrow.A. will wait/ comeB. wait/ will comeC. wait/ comed. will wait/ will come 10. I .................. you some postcards as soon as I .................. in London A. will send/ arriveB. send/ will arriveC. will send/ will arrive D. send / arrive 11. When you .................. into the office, Mr John .................. at the front desk.A. will go/ sitsB. go/ will sitC. will go/ will sitD. go/ sits 12. Our English teacher .................. that lesson to us tomorrow.A. will explainB. explainC. explainsD. has explained 13. We .................. for you when you .................. back tomorrow.A. will wait/ getB. wait/ will getC. will wait/ will getD. wait/ get 14 What you .................. at 7p.m next Sunday? A. will ... doB. will .... be doingC. do ... doD. were ... doing 15. When I .................. Mr Pike tomorrow, I .................. him of that.A. will see/ remindB. see / will remindC. will see/ will remind D. see/ remind 16. I think he .................. as soon as he .................. the news.A. will leave/ knowsB. leaves/ will knowC. leave/ will knowD. leaves/ knows 17. He .................. you soon.A. will come and will seeB. comes and seesC. come and seeD. come and sees 18. Mymother .................. to stay with us next weekend.A. comeB. comesC. will comeD. has come 19. Where you .................. your holidays next summer?A. will ....spendB. spendC. do .... spendD. does ... spend 20. By the end of this year, my father ...............for 40 years.A. will have been teachingB. will be teaching C. will teachD. has been teaching

Làm hộ mik nha, cảm ơn @@@@@@@@@@@@

tìm 2 từ ghép phân loại có tiếng vắng tìm 2 từ ghép tổng hợp có tiếng vắng tìm 2 từ láy có tiếng vắng ai làm được mình vote 5 sao

Thực hiện phép tính một cách hợp lí nhất: (-8).(-12).(-125) b) (-134) + 51. 134 + (-134).48 c) 45.(-24) + (-10).(-12)

viết lại câu sau sao cho nghĩ ko đổi 1, His car run fast but my car can run faster → his car doesn't ........................... 2, You shouldn't stay up so late at night,it's not good for you →you ought not to .................... 3, She enjoy going swimming when she is free →she is fond of ............ 4,'Don't talk in class' ,the teacher said to his students →the teacher told .....................