The two runners are neck and neck; _______ of them could win the race.

______ is our hope that we will pay another visit to Paris this summer.

(2013·陕西咸阳二模)Listening to music can be very enjoyable, but ________ can be appreciated unless you like it.

This is a picture of ______, taken from twenty years ago.

---I heard that Bill was scolded by the teacher last week. ---Ah, yes. The teacher wanted to check his exercises, but ___ was finished at all.