B.complete the sentences with the correct form of the words in brackets.
1. he didn't have the ___________ to continue his journey. (strong)
2. The _________ was seriously injured in an accident.(trek)
3. Unfortunately, there was only one ________ from the accident. (survive) .
4. All __________ should wear helmets .( cycle )
5. Quiet please, i'd like to make an _________ ( announce )
6. This hostel is quite _________ , so we can stay for a few more days. ( expensive )
7. More than two hundred __________ entered the contest . ( compete )