It sounds ＿＿＿＿＿ the singing of rails. 

My wife sometimes _____ something she has long been looking for. That’s why she enjoys window shopping.

 ---Did Peter fix the computer himself? ---He     , because he doesn’t know much about computers. 

Now one of the most serious problems many people are worried about _____ on the lack of adequate housing space.

As there was no spare bedroom, Susan had to ______ her friend for a night in the sitting-room.