8,b：That is how Chinese wait for(等待?应该是看待see) foreigners these days.
c：that is how most of parents see their children these days.
9. b:The policemen are seeking in the building at the moment and trying to catch the thief..
cThe students are surfing the Internet at the moment and trying to get the information they want.
10.b:as a matter of fact ,there are more poeple to visit our city this year.
c:.as a matter of fact ,they're discussing how to expand product sales
11.It'll be a worthy experience,of course,but it's going to take half a year.
t'll be a wonderful holiday,of course,but someone should take my work
12. You see,he'll be enjoying first at the San Francisco's golden beach and then taking a flight to peru.
You see,we'll be dining first with the leaders of his company and then walking and shopping in Wang Fu Street.
这应该是照例句改写吧,我是按例句的样式翻译的