There’s little milk in the bottle,_____? A isn’t there B is there C is it D isn’t it
Although I failed four times, my father encouraged me to have a ____try.
---Our teacher wouldn’t give us the answers to the questions directly. ---Why not work them out all by _____?
Remember not to speak _____ when we are in the reading room.
---It’s raining hard. Please wait ____the house. ---Thank you.
---How about going out for a walk with us? ---I wish I could, ____I have to finish my homework first.