—What's up? You didn't pick up the phone just now.—I'm sorry that I ________ dancing with music on, but it's done now.
Guangzhou was the second Chinese city_______ the right _______the Asian Games.
Joe, along with her three sisters, _______great interest in writing these days.
I shall never forget those years ______ I lived in the country with the farmers, ______ has a great effect on my life.
I bought three books, but none of _______ is interesting.
Recently I bought a beautiful car, ________ was reasonable.