学生们喜欢在食堂聚集聊天。
Students like to ___congregate in the cafeteria to chat.
每天早上,鸟儿们聚集在公园的树上唱歌。
Every morning, birds ___congregate in the park trees to sing.
信徒们每周日聚集在教堂做礼拜。
The believers ___congregate at the church every Sunday for worship.