初中英语语法填空翻译

They are buying a car and want to get it as　　（便宜） as they can．

All children between the age of 5 and 16 in his country must　　（go to）school．

Many　　 （visit） came to the hometown of the great man during the vacation．

As we all know， the sun 　　（升起） in the east．