Q1- Choose the correct sentence. (10 marks) a She hasn't got a car, so she doesn't drive to work. Vb She hasn't got a car, so she hasn't drive to work. 1 a What did you usually eat for lunch on Sundays? b What do you usually eat for lunch on Sundays? 2 a Does your cousin work for a company in Milan? b Does your cousin working for a company in Milan? 3 a Yes, I listen. Please go on. b Yes, I am listening. Please go on.

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.