Past Progressive Tense

They (express) (a)   their pleas for protecting planet Earth and its inhabitants.

Past Progressive Tense

Several youth groups and environmental organizations (urge) (a)   the public to take action to save the world just some years ago.

Present Progressive Tense

 Greta Thunberg, a teenage climate activist, (lead) (a)   the same movement.

Present Progressive Tense

She (travel) (a)   around the globe to seek everyone’s attention and action in saving the Earth.

Present Progressive Tense

Like Greta, many other young members of the community (express) (a)   their frustrations and fear of what may become of the planet a few years from now.

Present Progressive Tense

 Yet, people (ignore) (a)   the call to create a sustainable and ecological-friendly community.

Future Progressive Tense

Activists and people around the world (wait) (a)   for a more concrete and strict policy to address, if not solve, the problems brought about by climate change.

Future Progressive Tense

The United Nations (convene) (a)   in the next months to address the issue of climate change.

Future Progressive Tense

In the meantime, they (continue) (a)   their efforts to educate the people of ways to help the environment.