Cho hai tập hợp A={1;3;5;7;9} và B={1;2;3;4;5;6;7}. Xác định tập hợp X sao cho $C_{B}$ ⊂ A

15. She wishes her father …………… here to help her now. (be) 16. I wish you …………………. them my phone yesterday. (not give) 17. I wish they …………………… us when we were in the town. (visit) 18. He wishes someone ………………… him a work next month. (give) 19. If only I …………………… a trip to Hanoi next week. (take) 20. We wished we …………………… the teacher’s explanation yesterday. (understand) 21. He missed an exciting sport program. He wishes he …………………. it. (watch) 22. If only I ……………… more time to finish this work. (have) 23. I wish she …………………… to see me yesterday. (come) 24. I wish that someone …………………… able to marry her. (be)

Mong mọi người giải giúp mình với nhá 🥰

III. Chia dạng đúng của động từ trong ngoặc. 1. I wish I (see) ____________ her off at the airport yesterday. 2. Tom wishes he (have) _________ enough money to buy a new car now. 3. Mary wishes she (become) _________ an astronaut someday. 4. He wishes he (not/buy) ______________ that old car. 5. I wish I ………………. one twin sister like my friend Sally. (have) 6. My parents wish they …………………. to the beach this weekend. (go) 7. I’m fed up with the rain. I wish it …………………. (stop) 8. Jimmy wishes he ………………. old enough to drive a car. (be) 9. I wish I ……………………. go to the moon for a vacation. (can) 10. I wish you …………………………… all the time. (not complain) 11. He wished he …………………. harder during the examination. (work) 12. We wish it …………………… raining now. (not be) 13. She wishes he ………………… a lie with her. (not tell)

1)Cần phải dùng bao nhiêu g H2SO4 19,6% để trung hòa hoàn toàn 300ml dung dịch NaOH 2M tạo thành bao nhiêu g muối 2)Cho 5 ví dụ về oxit, gọi tên, phân loại

Tính giá trị của biểu thức: M = [√2 - √(3 - √5)].√2 + √20

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The roof of the building _____________ in a storm a few days ago. Choose the correct answer for the blank in the sentence above. had been damaged was damaged has been damaged A severe tropical___________ is called a typhoon. Choose the correct answer for the blank in the sentence above. drought flood storm 26.If you were the president, what ____________you do to help the environment? Choose the correct answer for the blank in the sentence above. could should would 27.in Scotland, a person who __________ the bagpipes is called a bag-piper. Choose the correct answer for the blank in the sentence above. buys performs sells

Tìm x , biết : 8x² + 20x + 7 = 0

help meeeeeeeeeeeeeeeeeeeeeeeeeeeee mk sẽ ctlhn và 5 sao