what's this?Match the words with the things in the picture.ab def---Do you have a ping-pong ball?--- Yes, I do.---Do you have a ping-pong ball?---No, I don't.---Do you have a /an...?---Yes, I do. / No, I don't.Make a surveySum-up:<1> Do you have a/an...?Yes,I do. No, I don't.<2> Does she/he have a...?Yes,she/he does. No,she/he doesn't.