Which of the following is true about the Grammar-cum-Translation method?

Change from Assertive to Negative:
He is cleverer than me.

She invited everyone ______Tom.

Which one of the following is the correct meaning of -
 The study of human behaviour and societies:

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

What the daughter picked from the neighbour's garden were- 

Change from assertive to interrogative: It is extremely foolish to waste time in reading trash.

_______ teachers prefer a class that is fairly consistent in having pupils of the same level. 

Which of the following is not a principle of language teaching?