----- Nội dung dịch tự động từ ảnh ----- 1. My mom always reminds me to be careful a) with b) on c) for d) at 2. I'm not very good a) in b) at c) on d) for 3. We can't go camping a) at b) until c) since d) on 4. I've been waiting a) on b) at c) since d) for 5. This book is a) in b) on c) with d) for 6. The concert will take place a) at b) in c) on d) for 7. She lives a) in / on b) at / in c) at / on d) in / at 8. It's not polite to swear a) at b) on c) to swimming, but I enjoy it nonetheless. it stops raining. you for over an hour! a small house much information that I need for my research. my belongings. the local park. the bottom of the hill. other people