68 It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
—Why didn’t you come to the cinema with us last Saturday? —Oh,sorry.But I ________the film.
Naturally I will come to you for advice whenever I feel I need________
We have every reason to believe that __ 2010 World Expo in Shanghai will be _____ success.
It is believed that this book is _______ worth reading than that one.
When the peace talks _______, they realized that there would be a war between the two countries.