What might serve as the best title for the whole reading passage?

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

Choose the word which has the different pronunciation.

Choose the word which has a different stress pattern from that of the others.

Choose the word which has the different stress.

Choose the best answer to fill in the blank.

The Vietnamese authorities decided _______ files on “Don ca tai tu Nam bo” to UNESCO.

Choose the best answer

My husband and I take turns cleaning ________ the kitchen depending ________ who gets home from work earlier.

Choose the best answer

I have been trying to ring him up all day and I could not ______ through.