Fill in the blank with "a lot of" or "lots of":
a. I have _________ friends who live in the city.
b. Can you give me _________ suggestions for places to eat?
c. There are _________ cars on the road today.
d. She has _________ experience in the field of marketing.
e. We received _________ feedback on our latest project.
Rewrite the following sentences using "lots of" instead of "a lot of":
a. There is a lot of traffic on the highway.
b. I have a lot of books in my library.
c. She has a lot of energy to finish the marathon.
d. They receive a lot of complaints from customers.
e. We need a lot of supplies for the camping trip.