--- ________ of them knows the answer. What can we do now? --- Let’s ask a third boy for help.
________ do you take? ----- Size M.
---Is this book Betty's? ----Yes , it's ________.
I am looking forward _______ the new film.
---Where is your brother? ---He is in Beijing. He _____ back in three days.
---Would you like to go bike riding with us tomorrow? --- _________.