---Shall I sit at this end of the boat, or that end? ---You may sit at ___ end if you keep still.
Though I have often heard this song _______. I have never heard you _______ it.
Tony was very unhappy for _______ to the party.
Though ________ money, his parents managed to send him to university.
The research is so designed that once _______ nothing can be done to change it.
“What do you think made Mary so upset?” “_______ her new bike.”