根据汉语意思完成句子。古时候,人们认为地球是扁平的。In ancient times it________ ________that the earth was flat.
Tom,look at the sign!We're not to park our car here.(允许)
The temperature a lot last night.(下降)
If you don't have a dream,you've been old,even at .(二十)
We can see different kinds of birds on this .(岛屿)
Never give up!Pain always comes with .(achieve)