ПОМОГИТЕ!1)Its _____ (WRITE) history is only a few hundred years old._____

ПОМОГИТЕ!
1)Its _____ (WRITE) history is only a few hundred years old.
_____ (MANY) than 320 million people live there.
They are a mixture of many different _____ (NATIONALITY).
Americans are not afraid of new ideas. They put the _____ (ONE) man on the Moon. Americans _____ (INTEREST) in old traditions, too.
This country is worth _____ (VISIT).

2)The USA _____ (be) a large country. If you _____ (go) to the US, you _____ (see) its different natural wonders. The country _____ (have) every kind of weather. Many rivers _____ (cross) it. But the _____ (great) is the Mississippi. The Grand Canyon _____ (be) one of the main tourist attractions. It _____ (form) by the River Colorado millions of years ago.