Turn the following sentences into the Passive Voice.

1 Calvin Klein has designed this dress.
2 They are building a new bridge.
3 My mother will knit a pink sweater for me.
4 Karen sent James an invitation.
5 Where did they park the car?
6 Who wrote the music for Cats?
7 They were painting my flat when I arrived.
8 They had cooked the meal before the lights went off.
9 Puccini composed many famous operas.
10 They decorated the cake with flowers and chocolate pearls.