1.)A new moon takes place every 28 day.
2.)Student should not be passive but should try instead to contribute as much as possible to discussions in seminar groups.
3.) On the first day, the course director and subject tutor explained their respective roles to new students.
4.) it is now possible to imply a link between using mobile phones and contracting some forms of cancer
5.)The fact that population growth is still accelerating up is one of the most important problems we face.
6.) Most universities need to earn money from private sources, but the major part their funding still comes from the government.
7.)Expenditure on weapons such as guns, tanks and aero planes consumes portion of a country's wealth.
8.)Because foreign exchange rates fluctuated, it is not always possible for exporters to know how much money they will receive from sales.
9.) Member countries contribute money to the united national to pay the running of the organization.
10.) The in focus of Greenpeace is on problems concerning pollution.