When I walked past the park, I saw some old people______chinese Taiji. A.do B.did C.doing
My mother always wants me _______ more vegetables for dinner.
Mr. Black is our English teacher. He ______ in our school since 2011.
— We don’t have enough meat in the fridge. — I _______ some more in the supermarket soon.
— May I put my car here? — No, you _______. Put it over there, please.
Is there _______ useful on science? I’m looking for information about this topic.