Choose the correct word

Go along this road and up the _______ at the end.
1. hill
2. field
A _____ is very slow.
1. deer
2. snail
We travelled down the ______ by boat to the sea.
1. pond
2. river
Flies and mosquitoes are _______.
1. birds
2. insects
Beside the road there were ______ full of animals and plants.
1. fields
2. grass
The boys camped next to a small ______ in Scotland.
1. ocean
2. lake
A ______ is a small red bug.
1. worm
2. ladybug