( )1.—what are people in korea supposed to do when they meet for the first time?

( )1.—what are people in korea supposed to do when they meet for the first time?
—they are supposed to _______.
a.kiss each other b.bow c.shake hands d.hug
( )2.she _____ each of the guests as they came into her house.
a.put on b.exchanged c.wiped d.greeted
( )3.—is it easy for people from different countries to greet each otner.
—i don’t think so.because different countries have different ______.
a.customs b.rules c.food d.styles
( )4.—i’m sorry,sir.i’ve made some mistakes in the exam.
—never mind._____,the paper is a little difficult.
in all b.first at all c.after all d.above all