明清时期成为中国三大商帮之一的“晋商”指的是现在哪个省的商人？
参考答案：
山西
I'm going to _____________ a teacher. [ ]
A. is
B. be
C. am
--- Fancy meeting you here!
--- Pleased to see you. If they ________ me to the party, I ________ be here.
A．hadn’t invited; wouldn’t be
B．didn’t invite; wouldn’t be
C．hadn’t invited; wouldn’t have been
D．didn’t invite; won’t be
