в одномерном массиве А(10) вычислить среднее арифметическое положительных элементов

Sentens  in the past. Correct the mistakes. There is one mistake in  each sentence.

a) My  brother were born in 1972. b)  We have our  first child last month. c) My daughter changed schools ago two years. d) Tom's parents move house last year. e)  Cecilia started work after she leaved  university. f) Antonio got married in 1997. g) I change jobs last month. h) Charlie Chaplin maked a lot of money. i)  My husband studyed at  university. j)  Were  both your brothers born in Romania?  k) Tom started his new job on January.

Помогите выполнить задание, заранее благодарна.