1. It is rude (a) / for the young (b) / making fun of their elders. (c) / No error (d)

2. Because of his innocence (a) / he cannot (b) / distinguish a cheat (c)'l for an honest person. (d) / No error (e)

3. You should not discuss (a) / about a. matter (b) / with friends who are likely (c) / to find it offensive (d) / No error (e)

4. Any of these (a) / two girls is (b) / your sister. (c) / No error (d)

5. They walked (a) besides each other (b) / in silence. (c) No error (d)

6. The chief idea of (a) / very common type of traveller (b) / is to see as many (c) / objects of interest as he possibly could. (d) /No error (e)

7. It very often (a) / happens that (b) / a man who talks most (c) / does little (d) / No error (e)

8. It is better (a) to do not calculate (b) / your gains before (c) / they are realized. (d) /No error (e)

9. Both the form and substance (a) / of what he says, (b) / about his life and work (c) / testify for a great reserve of inner energy. (d) / No error (e)

10. The news of his marriage to another girl (a) / was a shock to her (b) / but she bore up bravely (c) / and went on as if nothing has happened. (d) / No error (e)