[解析]
W:I'm going out for shopping.Do you need anything?
M:Oh yeah,I can't find my umbrella.Can you buy one?
W:Shouldn't it be in the cupboard?
M:I just checked.It wasn't there.
W:Impossible.That was where I usually put it.Did you check the balcony?
M:Yes,of course,couldn't find it.Well just get a new one then.