Вставьте правильную форму глагола to be. 1. his celebrated last sunday 2. the girls' carried by the boys. 3. bullied by vasya and petya 4 mobile phones invented? 5.how many phone calls yesterday?

1. His birthday was celebrated last Sunday
2. The girls' backpacks were carried by the boys.
3. Mitya is bullied by Vasya and Petya
4 When were mobile phones invented? 
 5. How many phone calls were made yesterday?

1. was
2. was
3. was
4. was
5. was