Answer:
1- was to were, 2- is to are, 3- hope to hopes to, 4- but now to now
They're related to squirrels.
They're filling in for hedgehogs.
There's a movement to replace them with robots.
'Woodchuck' has nothing to do with wood.
They build impressive homes.
Farmers consider them pests.
They're loners.
When they sleep, they really sleep.
