2 vật xuất phát từ A và B cách nhau 400m, chuyển động cùng chiều theo hướng từ A đến B. Vật 1 chuyển động đều từ A vs vận tốc 36 km/h. Vật 2 chuyển động đều từ B vs vận tốc 18 km/h sau bao lâu 2 vật gặp nhau? Gặp nhau chỗ nào? (giúp mik vs đg cần gấp)

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I. Finish the second sentence in such a way that is means the same as the first sentence. 1. Tim is better at English than Susan. - Susan isn't _________________________. 2. We spent five hours getting to London. - It took ______________________________. 3. Listening to music gives him pleasure. - He enjoys __________________________. 4. She is more beautiful than her younger sister. - Her ________________________________. 5. They began studying English in 2004. - They _______________________________. II. Tạo câu hỏi với cụm từ/từ được in đậm trong các câu sau: 1.It's FIVE KILOMETERS from our house to the mountain. ………………………………………………………………………………………………… 2. The show lasts TWO HOURS AND A HALF. ………………………………………………………………………………………………… 3. Watching too much TV is not good BECAUSE IT HURTS YOUR EYES. ................………………………………………………………………………………… 4.Both parents and their children enjoy THE PROGRAMME. ………………………………………………………………………………………………… 5. Mr. Cuong did morning exercises (at 5.30) yesterday. (Cụm in đậm là "at 5.30" nhé) III. Fill in the gap of the following sentences with a suitable preposition. 1. I'm not familiar __________ the book. Whose is it? 2.Jonh's thermos bottle is full _________ coffee. 3. Kathy was absent _____________class yesterday. 4.Are you ready ___________ the test? 5. The school cafeteria only opens _________ lunchtime.