31. Colloquial words are used in……….
1) Business letters
2) Official letters
3) Personal letters
4) Letters to the editor of a news paper

Directions
(Q. No’s. 32-35): Choose the appropriate verb form.
32. The officer ……… before we reached his room
1) left
2) had left
3) leaves
4) was leaving

33. We …….. our exams by the end of next month
1) will write
2) will be writing
3) will have written
4) would write

35. I …….. a strange noise now.
1) am hearing
2) hear
3) have been hearing
4) heard