My cousins have collected stamps for two years. They have ______ stamps from different countries.

_________ the children are excited – this is the first time they’ve been abroad.

(2013·吉林长春高中毕业班第一次调研)Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.

What a heavy rain! Will it last long— ______ . We are getting into the raining season now.

There is no need _______ and it’s no use __________ there too early