Grammar
The new marketing strategy proved to be __________ (effective) than the one we used last year.
The new marketing strategy proved to be more effective/less effective than the one we used last year.
A long period when there is little or no rain.
Drought
Three types of renewable energy
Solar, wind, water, ...
Tom’s ____________ (intelligent) boy ______ (in/of) my class.
Tom’s THE MOST INTELLIGENT boy IN my class.
A particular type of animal or plant that is considered in danger of no longer existing because there are very few left alive, which in many countries means that they are protected by law
Endangered species
Three types of pollution
Water, plastic, air,...
I _________ cancel my trip because my passport expired.
(past obligation)
I had to cancel my trip because my passport expired.
Five words with the prefix UN
Unhappy, unemployed, unfair, unpredictable, uncommon, unnecessary, unaware,...
Three types of natural disasters
Oh no! You _____________ (needn't) any bread; we already had plenty at home.
Oh no! You needn’t have bought any bread; we already had plenty at home.
To reduce the amount of something (phrasal verb). Make an example.
Cut down on/cut back on
Complete with the correct phrasal verb: Mike has decided to_________ chocolate completely.
Mike has decided to cut out chocolate completely.
You _________ assume that her silence means agreement; in complex negotiations, it can signify the opposite.
You mustn’t/shouldn't assume that her silence means agreement; in complex negotiations, it can signify the opposite.
A chemical substance used to kill harmful insects, small animals, wild plants, and other unwanted organisms
Pesticide/herbicide
Synonym of poaching
To hunt/hunting