https://online2.tingclass.net/lesson/shi0529/0001/1312/15.mp3
https://image.tingclass.net/statics/js/2012
【發(fā)音要領(lǐng)】
am中的a弱讀，is中的i弱讀，are弱讀并變短音，be變短音；
【例句操練】
I’m surprised.
Am I right?
What are you going to do?
Don’t be nervous.
She’s a very good secretary.
