Answer:
5.1 - Half the audience knew the answer.
5.2 - The retired policeman searched the bags.
5.3 - Most hardware shops sell string.
5.4 - People in a panic have made many mistakes.
5.5 - The police commissioner has reactivated the task force.
5.6 - Mr Krebble will direct the production.
5.7 - My aunt wrote the letter.
5.8 - My little sister cooked that huge and delicious meal!
5.9 - James Cameron directed Avatar.
5.10 - The detective on the case will give the answer.