Answer:
1. Rani is baking a cake.
Answer: common noun is cake while proper noun is Rani
2.Tommy is my pet dog.
Answer: common noun is dog while proper noun is Tommy
A, like right here, if we were right next to eachother i oculd tell you its "number A"! lol
A Mini motor car fitted with a high-powered engine and disc brakes.
It is in past tense so the answer is; c. went