1. Study hard or you will fail the exam. A. You don’t fail the exam unless you study hard. B. If you don’t study hard, you will fail the exam. C. You don’t study hard, so you will fail the exam. D. Because you study hard, you don’t fail the exam. 2. My school has no playground equipment or extra activities. A. I wish my school had playground equipment or extra activities. B. I wish my school had had playground equipment or extra activities. C. I wish my school can have playground equipment or extra activities. D. I wish my school will have playground equipment or extra activities. 3. I have not met her for three years. A. The last time I met her was three years ago. B. It is three years when I will meet her. C. I did not meet her three years ago. D. During three years, I met her once. 4. “What time did you come home last night, Mark?” said Tom. A. Tom asked Mark what time had he come home the previous night. B. Tom asked Mark what time he had come home last night. C. Tom asked Mark what time he had come home the previous night. D. Tom asked Mark what time he came home last night. 5. Did you always eat sweets when you were small? A. Were you use to eat sweets when you were small? B. Did you used to eat sweets when you were small? C. Were you used to eat sweets when you were small? D. Did you use to eat sweets when you were small? 6. We last visited Ho Chi Minh city 3 years ago. A. We didn’t visit Ho Chi Minh city for 3 years. B. We haven’t visited Ho Chi Minh city for 3 years. C. We haven’t visited Ho Chi Minh city for 3 years ago. D. We didn’t visit Ho Chi Minh city for 3 years ago. 7. They started playing tennis in 2013. A. They played tennis since 2013. B. They have played tennis in 2013. C. They have played tennis for 2013. D. They have played tennis since 2013. 8. You’d better take a taxi; it was raining hard outside. A. You’d better take a taxi in case it was raining. B. She advised us to take a taxi because it was raining outside. C. She gave us a lift because it was raining heavily. D. She didn’t lend us any raincoats but a taxi CÁC BẠN LÀM VÀ GIẢI CHI TIẾT GIÚP MÌNH VS Ạ

Cho hình chữ nhật ABCD có chiều dài 30m và chiều rộng 12,5m, biết M là trung điểm của AB, N là điểm trên cạnh CD sao cho CN = 1/3CD và P là trung điểm của AD. Tính diện tích hình tam giác MNP giúp mik ạ

VIII. Complete the second sentence so that it has similar meaning to the first sentence. 1. Vinh really loves to hang out with friends. Vinh really enjoys____________________________________________________ 2. Playing beach games is very interesting. It is _____________________________________________________________ 3. It is not good idea to spend too much time on computer games. It’s better to avoid __________________________________________________ 4. My parents insist me on learning something interesting. My parents wants __________________________________________________ 5. Jenny finds reading poetry boring. Jenny dislikes _______________________________________________________

Calli:Tạm biệt hoidap247 NL:haizz,tâm huyết cày hoidap đến 9200 điểm,giờ mất nick.

Nung 26,8 gam hỗn hợp X gồm muối cacbonat của kim loại kiềm và muối MCO3 ( M là kim loại có hóa trị không đổi) đến khối lượng không đổi thu được 16,2 gam chất rắn A. Cho A vào lượng nước dư thấy có một lượng chất rắn không tan B. Lọc B sấy khô cân nặng 10 gam. Mặt khác, nếu cho cùng một lượng X như trên vào dung dịch H2SO4 dư thấy thoát ra 6,72 lít khí CO2 (đo ở đktc). Xác định công thức các chất trong X? Giúp mình với ,mình cần gấp

Question1: They say that rickshaws are quicker and cheaper than taxis. → It …………………………………………………………………………………… Question2: I suggest having spaghetti and pizza tonight. Let’s ………………………………………………………………………………

Cho em hỏi những ý mình cần tìm trong chuyên đề nhân đôi ADN của sv nhân sơ và nhân thực trong học sinh giỏi là những j ạ

tính giá trị biểu thức nha cảm ơn nhìu

Helppppppppppppp meeeeeeeeeeee. Giúp mình vs . `\text{ Mình hứa sẽ vote 5* và ctlhn cho bạn nào làm nhanh nha. Thannk kiu. Cố gắng làm giups minhf nha. Ko thì mỗi người 4 câu cũng đc nha}♡

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