请根据句意用动词be的适当形式填空
1.I ________ a student in 2006.
2.Jenny ______ Linda's first friend.
3.Xinghua School ______ my primary school.
4.Wang Hai _______ my brother's first teacher.
5.My parents ______ both teachers in 2003.
6.My sister ______ a nurse in 1993.
7.Our old house _______ small but our new house ______ very big.
8.There ______ many ponds here in the past.