We have every reason to believe that ____ 2010 World Expo in Shanghai will be ______ success.

I can’t find Xiao Ping. Where did you see him this morning?— In the reading room _________ he often studies in.

Every means, but none proved.

What did you do for your mom on her birthday—I her a birthday cake.

ght Father would be better, but______it is, he is getting worse, which makes me more worried.