下面哪一个划线部分的元音字母u的读音与其他不同的是:
He even notices at the supermarket to ask for old bikes.
My brother used to , but now he is helpful to others.
You shouldn’t eatfood before you see the doctor.
Could you help me put up the maps on the wall?----_______________.
To my , the square was so clean after the big meeting.