Раскрыть скобки и записать верно слова.1. BBC is a well-known ...

Раскрыть скобки и записать верно слова.
1. BBC is a well-known ... (broadcast) company.
2. She could give no ... (explain) to the police.
3. The 4th of July is the ... (nation) Independence Day of the United States.
4. Could you tell me about Christmas ... (celebrate) in your town?
5. He has got the third ... (threat) letter from the stranger.
6. ... (pollute) is one of the most serious and crucial wold's problem.
7. It was a very ... (danger) journey.
8. Have you read the article about the space ... (explore)?
9. It's a ... (love) day, isn't it?