根據(jù)漢語意思，用介詞填空。
1. 老師嚴格要求我們。
The teacher is strict ____________ us.
2. 你最好不要去樹林，那很危險。
You'd better not go ____________ the woods, it's dangerous.
3. 瑪麗很擅長唱歌。
Mary is good ____________ singing songs.
4. 這本書和那本書不一樣。
This book is different ____________ that one.
5. 在老師的幫助下，我通過了英語考試。
____________ the help ____________ my teacher, I passed the English exam.
