Times a year. b Complete the sentences with one word. 1 Nurses sometimes work all week and at weekends. Nurses sometimes work every__ day. 2 Jon usually has a holiday in March, May, and July. Jon usually has a holiday 3 I have English classes on Tuesdays and Thursdays. I have English classes twice a 4 Katia goes shopping on Friday. Katia goes shopping a week. 5 Liz takes her dog for a walk at 7.00 a.m. and at 6.00 p.m. Liz takes her dog for a walk a day. I buy a new pair of sunglasses in the summer. I buy a new pair of sunglasses once а