all the choldren are very happy.they are singing anddancing.
look!the students are singing anddancing
All the children are very happy .They are singing and dancin
They are singing and dancing ________(happy)on the playgonun
是they are all happy 还是they all are happy
The gilrs are singing and dancing.They look ——(happy).用happy
The children are very happy in the kindergarten because they
_____Children's Day,all the chidren are very happy.
They are singing in the classroom.对"are singing"提问
They are singing in the classroom.对are singing 提问
They are singing----------.How ------they look.happy.happily
all the family are happy when they see t
we are all very happy改为一般过去时