They often sing and dance_____(happy).并解释为什么这样填,

They often sing and dance.(一般疑问句) They sing and dance and ( )a party.They often ( )their teachers some presents sing-,we,dance,often,and(.) They often sing and dance_____(happy).并解释为什么这样填, 英语连词成句 they,often,after,class,dance,sing,and(.) —How do they ____（relax） on Sunday?—They often sing some songs and dance. They ofen sing and dance.(yibanyiwengu) We often sing and dance here.对sing and dance提问 we dance and sing often here 连词成句 sing and sing 改成现在进行时 They.sing.and.dance. They can sing and dance.改为现在进行时 There ---(be) a swing and many children here.They ----(sing). 改病句：they are not carry flags and sing songs. Often they read some newspapers and b() They often hear Sally___(sing)this song.是sing还是singing?为什么大家给的答案不一样 we often sing and dance in music class划线部分提问 ---------------------画线部分提问；sing and dance They student sat together,__happily.A sing B to sing C singing D and singing