Kết quả tìm kiếm

1. What is ... in learning words? a. necessarily b. necessary c. mecessarily 2. I promise ... to Hoa again a. not talk to b. to not talk c. not to talk d. talk not to

1. He/ wish / he/ not / rude/ her/ party/ yesterday. => He wishes he had not been rude to her at the party yesterday. 2. When/ first world war/ break out/ 1914/ he / join/ army. => When the first world war broke out in 1914, he joined the army. 3. The roof/ be/ repair/ yesterday. => The roof was...

cái này chỉ liên quan tới thì TLĐ thôi, trắc nghiệm bạn làm đúng hết

câu 17, cấu trúc Neither...nor... đã là phủ định rồi thì k cần phải có never nữa

1. "Why hasn't peter phoned?" She wondered => she wondered why Peter hadn't phoned. 2. Couldn't you find a better hotel? Is this the best hotel you could find? 3. John began playing the piano ten years ago. John has been playing the piano for ten years. 4. I only paid a few hundred pounds for...

Day 14 (8/5/2017) For each questions, write one word which can be used in all three sentences 1. I was so tired that I couldn’t even think ………….. I will come……….. to the point - you are fine It’s time to set the record………...about what really happened that night => STRAIGHT...

Tokyo, which is the capital of Japan, is one of the three largest cities in the world. In the twelfth century, Japan's capital was an inland city named Kyoto. Six hundred years later, many people from Kyoto had moved to a city called Eyed. They had renamed it Tokyo and had made this city the...

cái này phải phụ thuộc vào người ra đề á bạn!

bạn chép đề đáp án B có sai k vj? có phải thiếu able k?

1,the boss laughed when the secretary has => bỏ told him that she really needed a pay rise 2,when my cat heard a noise in the bushes, she stopped moving and listen => listened intenly

công thức: It's time sb did st : đã đến lúc ai đó phải làm gì

đó, mik giải rồi đó, nhưg lúc nãy nghĩ lại thì fần b) là tính SAEF đó bạn!

1.By the age of 25, he (write) has written two famous novels 2.While her husband was in the army, mary (write) wrote to him twice a week TÌM LỖI SAI After Mrs.Wang had returned to her house from work, she was cooking dinner => cooked dinner They are going to have to leave soon and so do =>...

bài này làm đúng rồi :D

1. We will go out when the rain (stop)______stops_________ 2. I (stay)____will stay___________ here until he (answer)______answers______ me. 3. Wait until I (catch)_______catch_____ you. 4. She (not come)________won't come______ until you (be)______are______ready. 5. Miss Helen (help)______will...

hình mờ quá, khó nhìn lắm bạn ak!!

a) Ta có: AH.BC.BE.CF = AB.AC.BE.CF = (AB.BE).(AC.CF) = BH^2 . CH^2 = AH^4 Do AH > 0 nên có AH^3 = BC.BE.CF Do tam giác BEH đồng dạng với tam giác HFC => BE.CF = HE.HF => AH^3 = BC.BE.CF = BC.HE.HF (đpcm) b) Ta có: SAEF = 1/2 SAEHF = 1/2.HE.HF Theo 1) thì...

sửa lại là cos^2 2x = 1 nhé!

đang nghĩ đã...

1. sin^{4}2x + cos^{4}2x = cos^{4}4x <=> 1 - 2sin^{2}2xcos^{2}2x = cos^{2}2x - sin^{2}2x <=> 1 - cos^{2}2x + sin^{2}2x - 2sin^{2}2xcos^{2}2x = 0 <=> 2sin^{2}2x - 2sin^{2}2xcos^{2}2x = 0 <=> sin^{2}2x = 0 hoặc cos^{2}2x = 0 đến đây thì dễ rồi nhé!