____by a group of children, the teacher entered the hall._____by a group of children,the teacher entered the lecture hall.A.SurroundedB.SurroundingC.To be SurroundedD.Being Surrounded为什么不选D?不是伴随状态吗being done 和done 在这种

a group of ____by a group of children, the teacher entered the hall._____by a group of children,the teacher entered the lecture hall.A.SurroundedB.SurroundingC.To be SurroundedD.Being Surrounded为什么不选D?不是伴随状态吗being done 和done 在这种 a group of man 还是a group of men 为什么？ a group of enemies or ,a group of enemy 用a group of 造句. a group of 中文意思 a group of classmates是什么意思 A group of young birds! a group of 怎么用 Two -thirds of that country ____by snow . A is covered B are covered glucose can be regarded as a simple molecular solid of formular HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO it isreadily soluble in water because water molecules form hydrogen bonds to1.the carbon atoms of the glucose molecules2.the oxygen atom of the C=O group glucose can be regarded as a simple molecular solid of formular HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO it isreadily soluble in water because water molecules form hydrogen bonds to1.the carbon atoms of the glucose molecules2.the oxygen atom of the C=O group group of A group of stuents 是单数复数? 用with a group of frends 造句 A GROUP OF 变复数怎么变 group,a,of,people,are,young,swimming speak in front of a group