Complete the sentences with by or with.
1 Children are often driven to school _their mum or dad.
2 Mayonnaise is made_eggs and oil.
3 Ice cream is usually eaten_
a spoon.
4 A newspaper article is written_a reporter.
5 The winner of the competition is always announced_the headteacher.
6 The animals at the zoo are sometimes fed_members of the public.
7 The football trophy was won_the Red Lions.
8 Tennis is played_one ball.
9 The cake must be cut up_
a knife.