Choose the word whose underlined part has a different pronunciation from the others in each group

I study in class 10A with forty-five other students.

I don’t really like getting up early but I have to because I often have lessons at 7.15.

But I like English best because it’s an important means of international communication.

I study many subjects such as Math, Physics, Chemistry, Biology, Vietnamese Literature, History, Geography etc.

Select the synonym of the following bold and underlined word in each sentence in the unit

When you meet your friends, which topic do you often talk about? – Films.

Choose the word whose underlined part has a different pronunciation from the others in each group.