（ ）1.Are they playing the basketball there?

（ ）1.Are they playing the basketball there? The boys are playing basketball there. 连词成句playing、 they、basketball 、are、there ) 连词成句:playing,they,basketball,are,there,over(.) Are they playing basketball?是什么意思? they are playing basketball ( on the field)对括号提问. There are three more boys playing basketball on the playgrou They are playing volleyball over there They are cleaning the (The boys) are playing basketball there.(就画线部分提问） The girls are （playing basketball） over there .对括号里面部分提问 They are good at playing basketball.（转为疑问句） They are playing basketball.Lets jojn them.