The students came into the classroom in twos and threes 一句中为

The students came into the classroom in twos and threes 一句中为 they went to the theatre in twos and threes. in twos and threes是什么意思 We went to the library in twos and threes,为什么用介词in "in twos and threes"翻译一下 When the teacher came into the classroom,the students _____( When the teacher came into the classroom,the students ______ When the teacher came into the classroom, the students ____ 1.When the students came into the classroom,the teacher ( ) when the teacher came into the classroom,the students were ( When the teacher came into the classroom, the students _____ When the teacher came into the classroom, the students