Let not a single classmate lag behind.不要让一个同学掉队

今天的几个句子是有关同学的：1. They should be able to unite students. 他们应能团结同学。 2. He took a gift from his classmate. 他接受了他同学的礼物。3. I went to see a classmate of mine. 我去看我的一个同学。