Ex 1: Fill in the blank with WAS or WERE:   1.    The teacher …………………… nice. 2.    The students ……………………. very clever. 3.    One student  ……………….. in the classroom. 4.    We ……………….. sorry for him. 5.    He ………………. tall and thin. 6.    I ……………….. happy. 7.    You ……………….. at the zoo this morning. 8.    She ………………… in London last week.             9.    He ………………… on the beach last weekend. 10.  It …………………. Cold yesterday. 11.  We …………………. at school. 12.  You …………………… at school this morning. 13.  They ………………… at home last night. 14.  The cat ………….. in the garden. 15.  The children ……………….. at the zoo. 16.  Kien……………….. at school this morning.