语音测试。选出下列每组单词划线部分发音与其它三个不同的选项。
--- I don’t think teenagers should drive cars.--- ____.They aren’t serious enough.
---Could I hang out with my friends?---___. You have to prepare for your math test.
---Could you please help me carry this box?--- ________
----Thank you for your .--- You’re welcome.
is not easy to look after a little baby.