练习答案:
(二)1. B 2. C 3. D 4. B 5. B 6. A 7. C 8.D (三)1. old enough 2. It is, to protect
3. easy enough to 4. for, to go
5. of, not to 6. To play, for 7. too poor to 8. is polite to say
(四) 1—5 BBCCB 6—10 ACDCA
练习答案:
(二)1. B 2. C 3. D 4. B 5. B 6. A 7. C 8.D (三)1. old enough 2. It is, to protect
3. easy enough to 4. for, to go
5. of, not to 6. To play, for 7. too poor to 8. is polite to say
(四) 1—5 BBCCB 6—10 ACDCA