(四)1. extremely 2. it 3. where 4. to use 5. the 6. which 7. with 8. fails 9. by 10. You
(五)1. for 2. whose 3. they 4. the 5. After 6. other/more 7. preparation 8. how 9. are needed 10. greater
(六)1. that 2. it 3. to ask 4. in 5. the 6. unexpectedly 7. more closely 8. have ruined 9. from 10. that/which
(七)1. them 2. the 3. which 4. of 5. protected 6. with 7. will disappear 8. how 9. repaired 10. it
(八)1. unluckily 2. in 3. a 4. pointing 5. who/that 6. he 7. with 8. amazed 9. other 10. believes
(九)1. with 2. the 3. another 4. comfortable 5. cried 6. it 7. that 8. saying 9. except/but 10. why
(十)1. that 2. her 3. The 4. encouragement 5. to continue 6. have made 7. that 8. another 9. clearly 10. behind
(十一)1. when 2. before 3. neatly 4. the 5. in 6. had worked 7. where 8. one 9. their 10. getting
(十二)1. the 2. competition 3. changed 4. that 5. with 6. him 7. To check 8. more valuable 9. about 10. who