( )you( )ping pang with your classmate?a.are,playing b.did,play c.will,play d.have,played.
问题描述：
( )you( )ping pang with your classmate?a.are,playing b.did,play c.will,play d.have,played.
i do not know( )
a.where is lynn b,how can i get there?c,what does he do at school.d.who put the present here?
答
(Are) you (playing) ping pang with your classmate?
I do not know(who put the present here).是are you吗？怎么不对头是are you但在句首要写成 Are you