It sounds _____ the singing of rails.
By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, _________ appeared a rare rainbow soon.
Do you know since when it is ________ you have been interested in poetry?
What’s the __________ of having a public open space where you can’t eat, drink or even simply hang out for a while?
It is worth considering what makes “convenience” foods so popular, and_______ better ones of your own.
Whose possession has the house _________ since the 1500s?