Would you like to share your opinion with us? — Ok. Mary is studying harder than before, ____ everyone can see.

Julie was good at German，French and Russian，all of ________ she spoke fluently.(2011·湖南)

I believe we’ve met before.-No, I’ve never been here before.

It is said that Karaoke was invented in 1971 and then it ________ to the whole world.

are very adaptable, and we quickly ______ a new life circumstance — for better or worse — and consider it normal.