Write questions and answers in present perfect using these words​

Has she studied German since 1999?Yes,she has.

Have you ever played golf?No,I haven't.I have never played golf.

Has the documentary finished already?

No,it hasn't finished yet

Has your teacher explained that lesson?

No ,she has not.She hasn't explained that lesson yet.

Has Kevin given his mother a nice present?

Yes,he has.