Brian was __________ from school as he came down with the Covid - 19.

The school is organising a/an ________ to raise student's awareness of the greenhouse effect.

I am not sure I understand. Could you be more ________?

In class, we are participating in a __________ project and we are exploring ways to reduce our carbon footprint.

Lake Karla was ____________ to its natural state after it had been dried out to create farm land.

Unlike popular belief, wolves _______ to avoid human contact.

People consider the wolf to be a lone animal. __________, wolves are sociable creatures that live in packs.

The bank manager gave the police a /an _______ description of the robbers.

The principal gave his _______ for the five-day trip to Crete.

Scientistss are searching for the _______ of life on other planets.

If you want to get cheap plane tickets, you need to book your flight _________.

There has been very little rain in the region, and plants and animals are suffering from _______ of water.

Riding a bike to school instead of travelling in a car reduces your ____________.

You need to consider it carefully before you quit your job.

Brian __________ a difficult time when he lost his job.

I didn't agree with you, but now that you _________, I'm starting to change my mind.

Let's stop fooling around and ________ work.

This year, we will ______ presents in class.

The children got a terrible _________ when the lights suddenly went out.

The tourists aedmired the stunning desert __________.