----- Nội dung dịch tự động từ ảnh ----- 1. Looking for used books, I (found / came) across a hidden gem of a bookstore tucked away on a side street. 2. Mrs. Lien couldn’t help at the community garden this week because she came (up / down) with a cold. 3. The local community center has a weekly alarm system check. If the alarm (goes / comes) off, everyone needs to evacuate immediately. 4. To improve the park’s cleanliness, we need to find ways to (stop / cut) down on littering.