Làm được vote 5 * ok ráng làm nha

80.Mai and Hang (not play) ……………………. the game at the moment. 81.I often (wash) ……………………. my clothes. 82.She (not be) ……………………. at home now. 83.You often (write) …………………….to your friend? 84.Mr.Mai (water) ……………………. the plant evey morning. 85.We (meet) ……………………. each other twice a month. 86.He (listen) ……………………. to the telephone at the moment. 87.They always (not go) …………………….to the school by train. 88.He (drink) ……………………. beer at the bar at the moment. 89.They usually (sing) ……………………. in the early morning. 90.Mi and Thanh (talk) ……………………. on the telephone now? 91.They (plant) …………………….trees in the early year. 92.He (not study) ……………………. Math at the moment. 93.She (play) ……………………. badminton every afternoon? 94.They sometimes (do) ……………………. morning exersices at 5.30. 95.Thanh and I (be) ……………………. at home now. 96.Hung (run) ……………………. about 5 km every morning. 97.Hung and Minh sometimes (meet) …………………….each other? 98.Every evening, she (jog) …………………….about 3 km. 100. He always (drive) …………………….his car to work. But now, he (ride) …………………….his motorbike to work.

Giải thích câu tục ngữ “Trèo cao ngã đau” về mặt Vật lí học.

Câu 1: Ném một vật có khối lượng 100g lên cao với vận tốc 60m/s. Lấy g=10m/. a, Tính độ cao cực đại vật đạt tới.

vì sao nằm trên phản gỗ thì đau người, nằm trên giường có gát thì không đau, nằm trên giường có đệm thì êm

Cho biểu thức A = -4 phần n-1( với n e Z ) a) Số nguyên n phải có điều kiện gì để A là phân số b) Tìm các số nguyên n để A có giá trị nguyên

Giúp mình giải vs ạ Hai câu đầu thôi cx đc

I. Read the text and tick in the true/ false column: (1p) Do you have any close friends? I have two close friends, Hanh and Mai. We are in the same class. We are also neighbors. Hanh is a beautiful girl with big black eyes and an oval rosy face. She is an intelligent student who is always at the top of the class. She likes reading, and she often goes to the library whenever she has free time. Mai isn't as beautiful as Hanh, but she has a lovely smile and looks very healthy. Mai is very sporty. She is a volleyball star of our school. She is very sociable and has a good sense of humor. I love both of my friends and I always hope our friendship will never die. Statements True False 1. The writer has two close friends. 2. They are in the same class. 3. Mai likes reading. 4. Hanh likes sports. II. Read the text and answer the questions: (1p) 1. What does Hanh look like? → ........................................................................................... 2. Is she intelligent? → ........................................................................................... 3. What does Mai look like? → ........................................................................................... 4. Is she shy? → ...........................................................................................

He goes to schoool everyday chuyển sang câu hỏi

Bài 4. Hai vòi nước cùng chảy vào một bể sau 3 giờ thì đầy. Nếu để hai vòi cùng chảy trong 2 giờ rồi vòi thứ nhất nghỉ và vòi thứ hai chảy trong 4 giờ thì đầy bể. Hỏi nếu mỗi vòi chảy một mình sau bao lâu thì đầy bể.