"s____ school" 中应该填写 "at"，完整的句子是 "at school"。例如：
1. I go to school every day.
2. She is studying at the school library.
s____
时间：2025-01-22 04:17:25
"s____ school" 中应该填写 "at"，完整的句子是 "at school"。例如：
1. I go to school every day.
2. She is studying at the school library.