On formal __________, people pay more attention to manners.A、situationsB、casesC、conditi

Generally speaking, people pay __________ of the total price of the service in America

Much of the pollution could be controlled if only ______.A．people would pay more attention

The government ______ on industry the importance of low pay settlements.A．usheredB．uttered

______ the cheap cost of labor, people would much rather pay someone to repair their homes

At the very beginning, the blues were______.A．not performed on formal occasionsB．tradition

I wrote this article to pay ________ to my respectable teacher who set me on the path of writing.