3. enjoys → he enjoys

4. up →

5. year → years

6. if →

7. co-operate → co-operated

8. when → after

9. were → was

10. farming → hunting

Exercise 6

1. on → in

2. released → was released

3. demand → demanding

4. to →

5. in → that

6. writing → write

7. desirable → undesirable

8. begin → began

9. its → their

10. nation → national

Exercise 7

1. in first → in the first

2. ultimate → ultimately

3. acceptance → rejection/refusal/non-acceptance

4. end → ending

5. upon → among

6. will pick → will not pick

7. listing → list

8. up →

9. taking → taken

10. find → found

Exercise 8

1. include → including

2. compose → composed

3. object → objects

4. or → and

5. can → who can

6. unfamiliar →familiar

7. of →

8. essentially → essential

9. laugh → laughs

10. by → with

第四章：简短回答

Exercise 1

1.Sportsmanship.

2.a sportsman

3. Obeying the fish and game laws.

4. qualified

5. Game hogs.

6. moving

7.Wetting their hands.

8. Be sure of the identity of the targets

Exercise 2

1. a fast route to wealth

2. Money.

3.A wreath of olive leaves.

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