摘要：17． (1) We'll go for a picnic if it tomorrow. (2) Listen! Father and mother in the next room. (3) Mr Green head of the factory since it opened in 1990. (be) (4) -Please go and mend the chair.    -When it ?   (5) Hurry up. The film in a few minutes.   答案:   1. happily your, selves second    least didn't rain will return/is going to return is giving a talk not eat to watch (18) has decided   2. third quietly washes watching has made   3. once holding (5) foreigners   4. really bigger (5) visitors   5. (1) visitors, to go (2) are standing, starting (3) helpful, shopping (4) named, was killed (5) traveling, took (6) has mined, will last (7) interested, himself (8) worried, friendly (9) twelfth, the farthest (10) not to open, noisily   6. fourth visitors (5) worst   7. has stopped left, had changed, would spend   8. sheep fallen (5) buses   9. closed unusual seventh are having (9) will visit/are going to visit is was told (14) were cleaning   10. rainy angrily (5) dead   11. best millions without will be/is going to be was beaten   12. haven't seen don't go told will hold Have...had   13. fifth angrily rains have seen forgot   14. (1) does, do, goes is crying hasn't, read begin (8) to, have   15. travellers found (5) is   16. saw is listening send filled (9) must be planted (10) would change   17. are singing was, broken/did, break

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