some are playing beach volleyball.Some are lying on the beach. 改成一般过去式

Some ____them are playing ____the garden. Some are ( )in the river and some are ( )games.A:swiming；playing B:swimming;playing C：swimming；playing There are many people .Some are playing football .( )are playing basketball 这里填什么 some的用法!Some are running,some are playing football and some are reading.some可以这样连用么? some的用法!Some are running,some are playing football and some are reading.some可以这样连用么? bea some student are playing games ,——are playing football.other,the other,others,the others some of the students are playing baketball,______ students are playing footbother or the other why? There are many people in the park, some are playing chess,some are walking为何不对 Some children are playing a game called hide 英译汉：Also there are some boys playing ball games. chess,the,some,are,playing,children,of连词成句 Some children are playing in the swimming p________..填什么 there are many studentsplaying on the playground.()are playing basketballand()are playing footballA(some,other)B(some,others)C(some,the other)D(some,the others) Some are swimming in the river and some are playing games. some are playing beach volleyball.Some are lying on the beach. 改成一般过去式 Some boys are playing computer and others are draw some pictures there单句改错 There are some boys playing football.这句子里面为什么用playing?能否分析下句子成分?