adam Curie did the science experimentagain, she was more careful where she_____ a mistake.

下列词语中加线的字,每对读音都不相同的一组是( )

I’ve got to the position ________ hardwork.

Do you know where the headmaster is? I have something urgent. — Oh, he ____ have gone far, for the computer is still on in the office.[ ]

We have IT____nine o’clock____Monday morning.