Ответ:

1 1 do

2 does

3 did

4 are

5 were

6 did

7 was

2 Beth was born in 2000

Tsar Petr the Great was born in 1672

Bob and Rob were born in 1900

Mary and Fred were born in 2003

4 1 in

2 about

3 in

4 at

5 on

6 with