Giúp hộ em với ạ

I)Choose the word that the underlined part pronounced differently 1) a.Commercial b.generous c.demonstrate d. Exhibition 2) a.curly b.directory c.reserved d.commercial II)use the correct form or tense of verbs in brackets: Thu has a toothache.(ought to) ___________

Mai ought to(get)_______ up early. They(have)_______ a wedding party next Sunday. I( spend)_______ a letter to my cousin yesterday.