Question

Combine the following pairs or groups of sentences, using relative
pronouns.
-My grandmother is 90 years old. She has never been ill.
-The Earth is a planet. It moves round the sun.
-This is the place. We should build our house here.
- Mary loves studying. She is my younger sister.
-. I work for a firm. This firm makes cars.
-. I met an old lady. Her dog had disappeared.
-A grocer's is a shop. You can buy fruit there.
-In February we’ll be very busy. It’s the shortest month.

Answer 1

- My grandmother is a 90 year old who has never been ill.
- The Earth is a planet which moves around the sun.
- This is the place where we should build our house.
- Mary is my younger sister who loves studying*
- I work for a firm which makes cars.
- I met an old lady whose dog disappeared.
- A grocer's is a shop where you can buy fruit.
- February is the shortest month when we'll be very busy*
* no estoy segura si están bien gramaticalmente, lo siento