M01 laws tm4 5700. indd

 4. 
Ludwig Van Beethoven wrote some of the 
Western world’s greatest music even though 
he became totally deaf in midlife.
 5. 
Even though South Korea is a small country 
with few natural resources, it is becoming an 
economic superpower.
 6. 
While in some areas of the Northwest United 
States, rainfall averages over 50 inches 
annually, some areas of the Southwest 
average less than 10 inches per year.
 7. 
Though scientists know why earthquakes 
happen, they are still not able to predict them.
 8. 
Smokers claim the right to smoke in public 
places, while nonsmokers claim the right to 
breathe clean air.
B 
Answers will vary.
Longman Academic Writing Series 4, Fifth Edition, Teacher’s Manual 
●
Student Book Answer Key
99
© 2014 by Pearson Education, Inc. 

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PRACTICE 8: Using Conditional 
Clauses 
(page 240)
Answers will vary.
Try It Out! 
(page 240)
Individual responses should demonstrate student’s 
understanding of conditional adverb clauses.
EDITING PRACTICE 
(page 240)
(Sentences with edits. Corrections are in square 
brackets or explained in column 2.)
3
However, some people spend 
such [so] many hours online that 
they are Internet addicts.
4
Although an [Although An] 
average person spends about 12 
hours per week, but an addict may 
spend 8 to 12 hours per day online.
5
Because addicts spend so much 
time interacting with the computer, 
so their lives are negatively affected.
6
They become socially isolated, 
because they stop going out and 
talking to people face-to-face.