Question

fill the gaps using must, mustn't, should or shouldn't (Completar los espacios usando must, mustn't, should o shouldn't segun corresponda)

We MUST recycle materials
We _________ drop litter around
We _________ pollute the air
We _________ use pesticides
We _________ use plastic bags
We _________ use solar energy
We _________ save animals
We _________ dean the environment​

Answer 1

Respuesta:

Explicación:

1 MUSTNT

2 MUSTNT

3 MUSTNT

4 MUSTNT

5 MUST

6 MUST

7 MUST

8 MUST