--- The two old friends were busy with each other the time.--- Yes. They haven’t met for long.
Which of the underlined part makes the sound(发音) /aʊ/?
Which of the underlined(划线) part has a different pronunciation(发音)?
— Excuse me, where is the bus stop? —________________.
—We’ll visit the zoo tomorrow. —________________.
Millie will go to the ________to exchange some money for US dollars.