Question

Which sentence uses the word ending in -ing as a gerund?

Marisol is sewing a dress for the dance on Friday.


Convincing us that he couldn't get the tickets, Ray had a big surprise for us.


Vacationing is an important thing to do with your family.


Kelly was thinking of riding her bike, but it began to rain heavily.

Answer 1

It is the 3rd sentence.

Step-by-step explanation:

Answer 2

3rd sentence.

Step-by-step explanation:

=> Vacationing is an important thing to do with your family. (Vacationing is the only gerund ending with -ing)