mod giúp nha :( I. Choose the best answer to complete each of the following sentences. Circle the correct answer A, B, C or D. This is an example at the beginning . 1. _____________ we take the train instead of the bus? - It is faster. A. How about B. Lets C. Why not D. Why don’t 2. National park helps to _________________ endangered animals. A. protect B. produce C. threaten D. provide 3. If Minh ______________ enough money, he would buy a new house in Ha Noi. A. has B. had C. had had D. has had 4. Remember _____________ the letter for me tomorrow. A. posting B. post C. will post D. to post 5. I didn’t know your father was in ___________ hospital, so I didn’t come and visit him. A. a B. an C. the D. no article 6. Walking 10 miles made him ___________________. A. tiring B. tired C. tire D. to tire 7. Every four years young people from all over Asia gather together to ______________ in Asian Games. A. compete B. fight C. struggle D. quarrel 8. It was not until last year ____________ he got a job. A. when B. that C. which D. where 9. Van Cao is one of the most well-known _____________ in Viet Nam A. actors B. authors C. musicians D. singers 10. A new library ________________ in my village since last January. A. is built B. was built C. has been built D. had been built 11. It would have been a good crop ________________________. A. if the storm didn’t sweep B. had the storm not swept C. Unless the storm hadn’t swept D. hadn’t the storm swept 12. John: What do you think of love story films? Jane: _____________________ A. Oh, I find them interesting B. Yes, I do C. I think so D. I watch them every day II. Put the correct form of the words in the brackets in the following sentences. 1. It was not until 1915 that the cinema (real)_______________ became an industry. 2. He has to repair this (break)_______________ chair. 3. Joan came first in the poetry (compete)____________________. 4. He is one of the most (bore)___________________ people I’ve ever met. He never stops talking and never says anything interesting.

Tìm x ,y khi a, x^2+y^2=0 b, x+y=2;x-y=4 Làm nhanh nha

giải giúp em với ạ 🙏🙏🙏 help meeeeee

Giải hộ mình với ạ 9:30 mình nộp bài ạ

vẽ cho mình các hệ tiến hóa của eevee =chibi nha!!!!!!!!!!!!!!!!!!

Tính giá trị của các biểu thức a, x^2 -y^2 khi x=1,y=2 b, x^2-2xy+y^2 khi x=2, y =5 Làm nhanh giúp mình với

bài 2: Ở 1 loài biết: Gen D qđ hạt đen, gen d qđ hạt nâu Gen T qđ hạt tròn, gen t qđ hạt dẹp Hai tính trạng màu hạt và hình dạng hạt di truyền độc lập với nhau. a. Tổ hợp 2 tính trạng trên thì ở loài có thể có tối đa bao nhiêu kiểu hình? Hãy liệt kê các kiểu hình đó. b. Lập sơ đồ lai để xác định kết quả về kiểu gen, kiểu hình ở con lai khi cho cây có hạt đen, dẹp giao phấn với cây có hạt nâu, dẹp

III. Sắp xếp lại câu bị xáo trộn: 1/ always / class / time / we / to / come / on. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2/ hours / week / often / does / how / he / many / a / work? → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/ not / American / uniforms / do / usually / school / wear / students. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4/ 10:00 / at / Wednesday / Science / Nam / class / on / has. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5/ interesting / I / because / Math / it / like / is. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6/ like / what / does / subject / best / Tom? → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7/ you / work / to / want / we / with. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8/ Know / you / do / likes / he / how / meat? → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9/ There / excuse / a / ! / post / is / me / near / office / here? → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10/ That / you / the / , / want / is / post / letter / to / Mai? → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11/ Is / interested / Mai / experiments / doing / in. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12/ him / tell / I’ll / please / call / after / 5 / again. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13/ Huong / be / November 20th / , / twelve / on / will / Saturday. → . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cho góc xOy= m độ (0<m<180 độ) Tia Ot là tia phân giác của góc xOy. Lấy điểm A vẽ đường thẳng a vuông góc Ox. CMR tia Ot cắt đường thẳng a. Giúp em với ạ

Cho tam giác ABC vuông tại A, đường cao AH. Kẻ HE vuông góc với AB, HF vuông góc với AC. Gọi O là giao điểm của AH và EF. CMR : HB.HC = 4.OE.OF