Where you (to find) this brooch? it's mine! - you not (to see) the notice on the school's internet site about the brooch yet? i (to wait) for three weeks. today i (to put) it on my dress. now, here it is, take it. нужно поставить или present perfect или past simple

Where did you find this brooch? It's mine. - Haven't you seen the notice on the school 's Internet site about the brooch yet? I have been waiting for three weeks. Today I have put it on my dress. Now,here it is, take it.