To make it more convenient for people to visit Taiwan, several _____air services fromthe mainland have come into use.
People, with the young ________, love to surf the Internet for entertainment.
With gas, water and electricity ______, the village is suffering a humanity disaster.
About 80 percent of the students in our school_____ been working on the program and about two-thirds of the work _____been finished.
Some people feel easy and comfortable to be served by others but when they are asked to serve others ______, they are unwilling or even hate to do so.
A story goes ______ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.