语法填空（共10小题，每小题1分，满分10分）

More and more often we heard of people talking __小题1:__ Karaoke（卡拉OK）. But what on earth __小题2:__ is about， still remains a question for many people. Karaoke is a sort of acoustic equipment __小题3:__ was invented in Japan around the middle of the 1970's. It __小题4:__ (mean) "a band without people" in Japanese. In __小题5:__ (事实上)， it is just a music tape without words. This equipment first appeared in some public houses and snack bars， and ___小题6:___(main) for the customers to enjoy themselves. Most of the music in Karaoke was popular music. Therefore， at times， when anyone felt like it， he might sing songs to the accompaniment of the music that came from the equipment. Shortly after its ___小题7:___(invent)， Karaoke was spread to the whole world. It was __小题8:___ (introduce) to China and was welcomed by many people. ___小题9:___ you are not a good singer， or even sometimes you may sing out of tune， you can always enjoy yourself by ___小题10:___ (sing) Karaoke.