Our teacher often keeps us _______ the classroom, so we should keep our classroom _______.
If it tomorrow, we will stay at home. We won’t go to the cinema.
In China students greet the teachers when classes begin.
--I don’t know .-- You can go and ask Jack.
--Where were you at 7:00 last night? -- I to my mom at home.
– Can you come on Monday or Tuesday? -- I’m afraid day is possible.