根据对话情景,补全所缺单词每空一词.

根据对话情景,补全所缺单词每空一词.
A:Mum,I shall not have lunch at home today.
B:( ) Linda?
A:I want to go to the pet shops at noon with my classmates.Most of the students in our school have their own pets.Mum as you know (
B:What kind of pet do you want to have?
A:A dog or a cat.I haven't decided yet.
B:( ) It would make much noise.And a dog has to go out every day.and there isn't a dog near our building.And the dog food is expensive.
A:( ).Cats are cheaper than dogs,and ( ),too.
B:Yes,cats are easier to keep.