When something is very, very expensive, it...
costs an arm and a leg
Cutting down too many trees causes...
Deforestation
The train to Bydgoszcz ... (leave) at 9am.
Leaves
When two people buy one thing and pay an equal amount, they...
Using too much plastic packaging causes...
Plastic pollution
Gosia ... (have) dinner with her brother tomorrow night.
Someone who is very mentally strong and determined is... (adjective)
Tough as nails
When a lot of animals from one species die, they are...
Endangered
This time tomorrow I ... (do) my English exam.
will be doing
Someone who doesn't do much exercise and watches a lot of TV is...
A couch potato
Climate change
I ... (bake) you a cake tomorrow, I promise.
will bake
Doing something that could cause you problems later
Playing with fire
Catching too many fish causes...
Overfishing
You passed the test! You ... (be) a great English speaker soon.