I’m writing to you and ask whether you’d like to give us ___ how to learn English.

A.some advice on   B.some advices about   C. an advice about   D. advices on

Professor Smith was asked to give us ________ how to learn English.

[　　]

My English teacher gave me _______ how to learn foreign language.

[　　]

A. advice on

B. some advices on

C. advices on

D. an advice about

My English teacher gave me _______ how to learn foreign language.

[　　]

A. advice on

B. some advices on

C. advices on

D. an advice about