The stone on the river bank rolled under her feet; she was _____into the river，and she called out for help.  

I am glad that the Olympic Games will be held in 2008 in China, _______ ??

——What about _________ job??

——It’s too difficult _________ job for me.?

It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.

I hate ______ their complains all day. one of these days I’ll tell them what I really think.

. How pleased the detective was _____ what his customer told him!

We used to work in the same office and we _________ have coffee together.?

I _____ to take a holiday this summer, but I had to change my plan .

-I heard Back Street would sing at the New Theater.?

-Where did you _____?

. -What do you think of the book??　

-Oh, excellent. It is worth _____ second time.