—Could you do me a favor?—It depends on _______ it is. (2006年北京高考题)
----Of the two apples , which one do you prefer ? -----_____bigger one .It is _____most delicious one ,I think.
It was in the Beihai Park ______they made a date for the first time ______the old couple told us their love story.
She _____volleyball regularly for many years when she was young.
The Internet is a wonderful discovery, ___of great significance to people’s lives.
The other day ,my father drove his car at _____I thought was a dangerous speed.