Choose the word whose main stress is placed differently from the others

He was very sorry that he didn’t see Ann on her trip to London.

→He greatly regretted_________________________________________

He was often made _____________ milk by his mother. (drink)

“If I catch the plane, I’ll be home by five.” He said.

→ He said ___________________________________________________

I think Christmas is one of the happiest times of the year. Everyone has a (41)_______ on their face, especially children.

Full ______________by all members is compulsory. ( participate )

They went hiking in a ______________ region. (mountain)

Choose the word whose underlined part is pronounced differently from that of the rest