l'll call the doctor to ask___some advice___the weight problem l have had用介词填

l'll call the doctor to ask___some advice___the weight problem l have had用介词填
l'll call the doctor to ask___some advice___the weight problem l have had用介词填

l'll call the doctor to ask___some advice___the weight problem l have had用介词填
l'll call the doctor to ask for some advice on/about the weight problem l have had

for about

for
on或about或to