Các bạn giúp với chứ mình kém quá ko biết làm :(

1. B. FUTURE TENSES               1. They ____the exercise when their teacher comes back.           A. are doing          B. will be doing              C. do                           D. would do 2. By Christmas, I ____ for the company for five years. A. shall have been working        B. shall work      C. have been working             D. shall be working 3. We ______ exam at 8 o’clock next Monday. A. will take           B. will be taking        C. take              D. would take 4. By the end of next year, my son _______ English for six months. A. will learn           B. will have learned  C. has learned    D. had learned 5. I will contact you as soon as I ___________the information. A. will get                B. get                               C. got                  D. had got 6. “ How long have you been with the company?”     “ I ______ there for ten years by September” A. will work          B. was working     C. will be working    D. will have worked 7. He left today, which is Tuesday, and he _______back tomorrow week. A. will be              B. would be                   C. would have been            D. is 8. I ________a famous pop star when I'm older.       A. am going to be       B. am being            C. am                     D. was 9. I just want to know what you__________ at this time tomorrow afternoon.      A. were doing              B. will be doing              C. are doing               D. do 10. I am reading this novel. By the time you come back from work I _________ it.      A. will finish          B. will have finished    C. have finished           D. had finished 11. A: You’re just missed the last train! B: Never mind, I_______. A. will walk        B. will be walking        C. walk         D. will have walked 12. Whenever she came to see me, she _____ something to my children. A. would give       B. had given                  C. will have given       D. was giving 13. The chairs _______ from the ballroom before the dance begins.   A. will have been removed               B. will have removed      C. will remove               D. were removed 14. Clare _______five years old next month. A. is going to be            B. will be               C. will have been              D. is 15. If he's late again, I_____ very angry. A. am going to be        B. will be         C. would be        D. am 16. I ______ an exam next October. A. am taking              B. have taken             C. take                 D. will be taken 17. “Can I come by for my check tomorrow?”            “ Yes, by then I _______ time to go to the bank” A. will have had        B. will have               C. have had                D. have 18. There is going to be a bus strike. Everyone______ to work A. will walk          B. will be walking        C. will have walk          D. shall walk 19. A: “The phone is ringing”     B. “ I ______it”. A. answer     B. will answer       C. have answered            D. will be answering 20. We should learn how to choose our words carefully or they ______ our speech silly and vulgar. A. made          B. will make        C. would make               D. have made 21. You ________ to take the entrance exam if you fail GCSE exam. A. are allowed        B. won’t be allowed     C. aren’t going to take      D. won’t allow 22. Do you think that _________ pass your exams in June? A. you                 B. to     C. you’ll            D. will you 23. There are a lot of black clouds in the sky. It _______. A. is going to rain        B. will rain         C. is raining                D. rains 24. She hopes that he ___ to the party. A. will come         B. will be coming       C. comes          D. would come 25. A: You’re just missed the last train!           à B: Never mind, I__________.         A. will walk        B. will be walking        C. walk                        D. will have walked

sfjltính bằng cách hợp lý 21 ×7 ²-11 ×7 ²+90 ×7 ²+49 ×125 ×16

sfjltính bằng cách hợp lý 21 ×7 ²-11 ×7 ²+90 ×7 ²+49 ×125 ×16

Bài 1, Tính B tan=3. B= sin a - cos a/ sin^3 a + 3 cos^3 a + 2sin a

Giúp mình nha giải ko cần chi tiết lắm nhưng dễ hiểu là được

Cho C={0;3;6} VIẾT TẤT CẢ CÁC SỐ TỰ NHIÊN LẺ CÓ 4 CHỮ SỐ VÀ TẬP HỢP CÁC CHỮ SỐ CỦA SỐ ĐÃ VIẾT TRONG TẬP C. ( LẬP LUẬN) GIÚP MIK VS. THANKS. HỨA VOTE5 SAO VÀ CẢM ƠN VÀ HAY NHẤT NHÉ

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em sẽ vote 5* và ctlhn ạ!! Cho tam giác ABC nhọ. Dựng về phía ngoài tam giác các tam giác đều ABD và ACE. a) Chứng minh BE =CD b) Gọi M, N, P là trung điểm các đoạn thẳng AD, BC, AE. Chứng minh tam giác MNP đều

tìm số tự nhiên nhỏ nhất biết rằng khi chia số này cho 29 thì dư 5 và chia cho 31 dư 28