2. 用作表语动词不定式作表语，常说明主语的内容、性质、特点。The best way is to join an English club.最好的方法是加入一个英语会所。The first thing is to listen to the teacher carefully.第一是要认真听老师讲课。
来源：www.whaletan.com 2025-01-18
2. 用作表语动词不定式作表语，常说明主语的内容、性质、特点。The best way is to join an English club.最好的方法是加入一个英语会所。The first thing is to listen to the teacher carefully.第一是要认真听老师讲课。
