Помогите сделать упражнение по английскому языку пожаа

did, 9) finished, 10) went, had had 11) opened, saw, had alredy come 12) will you have finished 13)will your friends write 14) will they have passed 15) shell have 16) will have passed 17) realised 18) was founded 19) found 20) introduced 21) continued 22) have seen 23) has worked 24) had learnt, has gone 25) has become 26) offers 27)announsed 28) has not been decided 29) was