Some are swimming in the river and some are playing games.

Some people are swimming in the p... There ( )some fish in the riverand they are swimming happily some ( )are swimming in the river是fish还是fishes But some people are still not c（ ） in swimming. Some children are playing in the swimming p________..填什么 Some are ______ in the river and some are ______ games.A.swimming… playing B.swimming…plaiing Some are ( )in the river and some are ( )games.A:swiming；playing B:swimming;playing C：swimming；playing Some are swimming in the river and some are playing games. Some ducks are swimming in the pond对some ducks进行划线部分提问 What's in the lake?Some boys (swimming)in the lake.请问括号里为什么不是“are swimming? there are some boys swimming in the poolswimming 前为什么不加 are? there ___ little fish swimming in the river.填什么 is ,is some ,are a,are some Some girls (are swimming in the pool) 就括号部分提问._______ ________the girls ________? Some of______(we)are good at swimming Some people （）swimming in the river now.A.isSome people （）swimming in the river now.A.is B.are Swimming in the river is very _.there are some whales which can causepeople in _(danger) Look!There( )little fish swimming in the river( )有四个选项A：is B：is some C：are a D：are some选哪一个? Students are usually interested in sports.some like running；somg like swimming；___like games.a,the othersb,others