can children swim in this pool?Can children swim in this pool?YesAa.However,at no time _____ alone.Yes,however ,at no time ___ they do so alone..A.may B.need C.could D.should但我个人觉得C也 可以,理解为 他们决不能单独游泳为什么

How long can the children swim in the pool in a How long can the children swim in the pool in a day? The children in the swimming pool can’t swim at all. Can the children swim in the river?(作否定回答) _____________________________________ We can teach children swim in the Students' Sports Center.改错 We can teach children swim in the Students' Sports Center.改错 The children ( ) fast in the ( ) pool.(swim) l can swim in the Most of children like to swim in s______. The children want to go_______(swim)in the river. f( )lt can swim in the f____ It can swim in the water. Can you swim in the river can't,that,you,in,river,swim He can swim in the lake 同义 and l can swim in the can dongdong swim in the sea We can swim in s填空. It is dangerous for little children to swim in the river.为什么这里用to swim