Some interesting (4)_____ have been done in libraries. If strangers come too close, many people get up and leave the building; others use different methods such as turning their back on the intruder. Living in cities has made people develop new skills for dealing with situations where they are very close to strangers. Most people on crowded trains try not to look at strangers; they avoid skin contact, and apologize if hands touch by mistake.

It works like a greenhouse, that’s why we call (3)______ the Green House effect. Because of this effect, the Earth is getting warmer all the time.

The sea level will increase as the ice (5)______ the poles will melt. 

These aren't even real, important exams, as her GCSEs will be next year. They're just mock exams. Is the work she's been doing really going to make her more knowledgeable about her subjects, or will she forget it all tomorrow? I suspect the (3)_____ .

One man who was particularly affected by this subject was Gerard Morgan-Grenville. As Morgan- Grenville travelled round earning his living as a gardener, he noticed signs of the damage that was being done to the countryside around him. It wasn't long before Morgan-Grenville decided that he had to do something about this
situation. He felt that if people could be shown a better way of living then maybe they would be interested enough to try to protect their (2)_____ environment.

The main aim of CAT is to search for an ecologically better way of living by using technology which (4)_____ no harm to the environment. One of the most important things CAT did initially was to explore and demonstrate a wide range of techniques and to point out which ones had the least destructive results on the world around us.

If someone says you’re totally lacking in talent, ignore them. That’s negative criticism. If, (3) , someone advises you to revise your work and gives you good reasons for doing so, you should (4) their suggestions very carefully.

Knowing (3)______ a person comes from will help to define how they look at their family obligations as well as how they celebrate important milestones in life.

Singapore has many banks, (3)_____ firms, and finance companies, as (4)_____ as a stock exchange.

The United States has many different types of families. (1)_____ most American families are traditional, consisting of a father, a mother and one or more children, 22 percent of all American families in 1998 were headed by one parent, usually a woman. In a few families in the United States, there are no children. These (2)_____ couples may believe that they would not make good parents; they may want freedom from responsibilities of childbearing; or, perhaps they are not (3)_____ able to have children. Other families in the United States have one adult who is a stepparent. A stepmother or stepfather is a person who joins a family by marrying a father or a mother. Americans (4)_____ and accept these different types of families. In the United States people have right to privacy and Americans do not believe in telling other Americans (5)_____ type of family group they must belong to. They respect each other’s choices regarding family groups. Families are very important to Americans.

These (2)_____ couples may believe that they would not make good parents; they may want freedom from responsibilities of childbearing; or, perhaps they are not (3)_____ able to have children. Other families in the United States have one adult who is a stepparent.