31.
They are social insects, living in communities, regulated by definite laws, each member of society bearing well-defined and separate part in the work of a colony.

32.
Practically every part of the banana tree is used by man.

33.
My opinion for the film is that it will bag the national ward.

34.
The end of the examinations is (an) oppurtunity for celebrating.

35.
We were not the wiser for all this effort to explain the case to us.

36.
Whenever my students come across new words, I ask them to look for them in the dictionary.

38.
It was indeed a shock for her, but she has later recovered from it.

39.
Realising is the significance of technical education for developing country, the government laid aside a large sum on it during the last plan-period.

40.
If you are not clear about the meaning of a word, it is wise to look to a dictionary.