Whenever the two sisters go out for shopping, they take their pet dog with them. A. go out shopping B. go out to shopping C. go out on shopping D. No improvement

go out shopping
go out to shopping
go out on shopping
No improvement

The correct answer is: A. go out shopping

The phrase “go out shopping” is a phrasal verb that means

to leave home to buy things. It is a common phrase in English and is used in a variety of contexts.

The phrase “go out to shopping” is not grammatically correct. The preposition “to” is used to indicate a destination, but in this case, the sisters are not going to a specific place to shop. They are simply going out to shop in general.

The phrase “go out on shopping” is also not grammatically correct. The preposition “on” is used to indicate a journey, but in this case, the sisters are not going on a journey. They are simply going out to shop.

Therefore, the correct answer is: A. go out shopping.