Question

1) ................... this same exercise before. (study)
2) We... .....
many new words in this unit. (learn)
3) My parents
money to them several times.
4) Mr. Smith
...... to South America by plane.​

Answer 1

Respuesta:

1) I have studied this same exercise before.

2) We have learned many new words in this unit.

3) My parents have spent/saved money to them several times.

4) Mr. Smith has travelled to South America by plane.

Explicación:

(No dijiste en qué tiempo verbal había que ponerlos y en algunas faltaba el verbo, por eso me lo he tenido que inventar un poquito)