参考答案:
1 Keys:1. Hiding 2. though/although 3. because 4. it 5. disliked 6. to 7. what 8. disagreed 9. his 10. studying
2. Keys: 1. the 2. as 3. based 4. be understood 5. have been changing 6. usage 7. which 8. his 9. and 10. while
3. Keys: 1. had been determined 2. caring 3. Her 4. as 5. After 6. reliable 7. flowing 8. where 9. a 10. and
4. Keys: 1. before 2. was coming 3. The 4. giving 5. by 6. suffering 7. when 8. their 9. to help 10. were offered
5. Keys: 1. Before 2. who 3. to offer 4. believing 5. himself 6. was voted 7. though/ although 8. and 9. being sentenced 10. cruelty
6. Keys: 1.amazed 2.valuable 3.of 4.But 5.to remove
6.an 7.that 8.She 9.who/that 10.giving
7. Keys: 1.for 2.when 3.But 4.who 5.causing
6.to be held 7.responsible 8.one 9.It 10.will not be admitted
8. Keys: 1.simplify 2.the 3.connected 4.types 5.to explore 6.that 7.However 8.has become 9.in 10.their
9. Keys: 1.an 2.because 3.is destroyed 4.rubbing 5.from
6.powerful 7.that 8.told 9.Our 10.until
10. Keys: 1.dipping 2.dreamed/dreamt 3.that 4.called 5.on
6.whom/who/that 7.invitations 8.and 9.copies 10.It