some boys are playing ,___ are singing on the playground?这题用others还是th请详细说明一下范围这个怎么定义?应该不是吧，这一题主要考就是范围，有范围就用the others，无范围就用others，the playground 算不

some boys are s__ in the river Some boys are talking l____in the classroom. There are some boys running in the playground.对some提问,对some boys提问 play .playing are play are playin 不同点有哪些?play .playing are play are playin不同点有哪些? there are some differences between the two boys同义句 There are some boys in the classroom 改为否定句 there are some boys ----(swim) in the pool写出原因 改为一般疑问句：There are some games for boys. there are some boys( )(swim)in the river 英译汉：Also there are some boys playing ball games. the boys are making some lanterns改为否定句 there are some American Boys in chassis改为单数 Look Some boys and girls are running on the . Some boys are playing computer and others are draw some pictures there单句改错 There are some differences between the two boys写同义句.The two boys are ____ ____ each other I can see ____ boys.____boys are students.A.the,The B.some,The C.the,Some D.some,Some we are on the playground.look!Some boys are playing football.Some girls are后面怎么填 we are on the playground . look some boys are playing football.