Хэлп вставьте on , of or in1.i have never believed… these tales.2.they took revenge… those who offended them.3.the book is based… true facts.4.i’ll call… mrs spanier to give the accounts.5.the radio couldn’t give the proper comment… the affair.6.you should be more concentrated.. your work.7.he filled… the form in the block letters.8.you should decide carefully… the form of your answer.9.we congratulate you… becoming a father.10.she failed… her attempt to reach the bank of the river at once.

1. I have never believed in these tales.

2.They took revenge on those who offended them.

3.The book is based on true facts.

4.I’ll call in Mrs Spanier to give the accounts.

5.The radio couldn’t give the proper comment on the affair.

6.You should be more concentrated on your work.

7.He filled in the form in the block letters.

8.You should decide carefully on the form of your answer.

9.We congratulate you on becoming a father.

10.She failed in her attempt to reach the bank of the river at once.