2nd level - To Be (Simple Past)

http://www.ego4u.com/en/cram-up/grammar/simple-past/exercises?03

(Was or Were?)

http://suz.digitaleschulebayern.de/english/grammar/was_were1.htm

(Was or Were?)

http://www.eflnet.com/grammar/tobepast.php

(To Be - Quiz)

http://www.carmenlu.com/first/grammar/pastbe1_1.htm

(Choose the correct answer)

http://www.englishmaven.org/HP6/To_Be_Exercise5.htm

(Choose the correct answer)

http://www.englishmaven.org/HP6/To_Be_Exercise7.htm

(Choose the correct answer)