Let’s open the windows to have some ______ air here.
---Excuse me, __________---It’s 8 November.
Our school reading room ________ from 8a.m. to 5p.m. every day.
---How does your mother look? ---_____________
---Shall we go and ______ hello to the old man? ---Good idea! Let’s go.
Miss Gu is _____ teacher. She teaches ____ Chinese.