A. write the plural possessive form of each noun for the first three questions .

1. friend

2. box

3. house

b. rewrite the possessive noun where necessary for numbers 4 and 5 . if the noun is already correct, write correct !

4. many people were astonished by (scientists’) discoveries in the twentieth century.

5. alternative energy sources had to be developed to satisfy (peoples’) need for electrical power.

Ineed . read the passage, and choose the two (2) inferences that are most firmly based on the given information. although lie detector tests are based on a sound principle, they are not alwaysaccurate. the test is based on the fact that people become emotionally “stirred up”when they lie. the lie detector can sense physical changes that accompany suchemotional responses. but an innocent person may react emotionally to a keyquestion.thus, he or she appears to be lying when actually telling the truth. and criminals who lie often may feel no guilt about anything. they can therefore tell huge lies without showing the slightest emotional ripple on the lie detector. without an emotional response, there are no physical responses to detect. 1. criminals never feel any guilt about their crimes. 2. lie detector tests are not foolproof. 3. anyone can easily fool the lie-detector machine. 4. an emotional response by an innocent person