our head teacher sitting on ()chair near ()door,asked us to try it ()timeA:the ,a,the third B :a,a,a third C:a,the,a third D:the,the,the three

our head teacher sitting on ()chair near ()door,asked us to try it ()time
A:the ,a,the third B :a,a,a third C:a,the,a third D:the,the,the three