помогите с грамматикой по английскому пожалуйста

There is a forest ...on EITHER bank of the river ( = on both bankS of ...)
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Brown's old car is much better than our new ONE. (чтобы не повторять слово "машина")
...
There isn't MUCH traffic in our city in July. (неисчисляемое существительное)
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Thе girl had very FEW friends (исчисляемое)