II/ Choose the best answer to complete the following sentences. 1. Have you finished your homework =-..? A. yet

II/ Choose the best answer to complete the following sentences. 1. Have you finished your homework ………………? A. yet B. already C. since D. for 2. I………………..punished badly by my teacher yesterday. A. was B. am C. will be D. have been 3. When the mail man came, my family …………………. A. sleep B. is … Đọc tiếp

cho hình lăng trụ tam giác đều ABC.A’B’C’ có AB = a, góc giữa hai mặt phẳng (A’BC) và (ABC) bằng 60°. gọi G là trọng tâm tam giác A’BC. tính chiều cao

cho hình lăng trụ tam giác đều ABC.A’B’C’ có AB = a, góc giữa hai mặt phẳng (A’BC) và (ABC) bằng 60°. gọi G là trọng tâm tam giác A’BC. tính chiều cao của hình lăng trụ đã cho và bán kính mặt cầu ngoại tiếp tứ diện GABC theo a

VI.Read the passage again and then answer the following questions. The first reason why many families do volunteer work is that they feel satisfied an

VI.Read the passage again and then answer the following questions. The first reason why many families do volunteer work is that they feel satisfied and proud. The feeling of fulfillment comes from helping the community and other people. In addition, volunteering is a great way for families to have fun and closer. But many people … Đọc tiếp