In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Comprehension:
Professor Sprout was standing (1) ________ a trestle bench in the centre of the greenhouse. (2) ___________ twenty (3) __________ of different-coloured ear muffs (4) ________ lying on the bench. Harry (5) _________ his place between Ron and Hermione.