Вставьте правильный вариант степени сравнения прилагательного present for me is a book.. а) good в) bad с)best d) worst

Best (

1.mary (had worked) in the shop for 5 years before she became a manager. 2.our grandmother (was cooking) dinner from twelve till two yesterday 3.they (were walk ing) in the park for an hour when it began to rain 4.this time yesterday i (was ly ing) on the beach 5.they (had reached) the river by sunset 6.ken (had been smok ing) for 30 years when he finally gave it up 7. i saw carol at the party. she (was wear ing) a really beautiful dress 8. he (lived) in spain when he was a child 9. she couldn't find the book i (had lent) her 10. i saw jim in the park. he (sitt ing) on the grass and (read ing) a book 11. this time next month i (shall be bath ing) in the baltic sea 12. by the 8th of april my mother (had worked) at school for twenty years 13. i'm tired. i think. i (will go) to bed 14. i (shall be work ing) in the library all day tomorrow 15. at four o'clock on tuesday afternoon we (were fly ing) over paris 16. they (will be) free in some minutes 17. this time next week they (will be go ing) to the crimea by train 18. she (will change) her books in the library tomorrow 19. they (will have built) the road by the end of the year 20. ring me up at 4 o'clock. i (shall have had) dinner by this time and we (will go) to the concert.