Saving Environment Resources
Present Perfect + for, since, how long
Electric Cars
Prefixes + re-, mis-, over-, under-
Present Perfect+ still, yet, already, just
100

What can you turn off to save electricity?

Lights

100

How long have you had this phone? (Tip: Think of the total time – 2 weeks, 3 years...)

For two years

100

What is a major advantage of electric cars? (Tip: Think about pollution.)

They produce zero emissions

100

Which word means “to do your homework again”? (Tip: Prefix for repeating an action.)

Redo

100

I’ve ___ finished my homework. (Tip: Use this for something that happened a moment ago.)

Just

200

What bin color is usually used for recycling paper?

Blue 

200

I have lived in Brazil ___ 2010. (Tip: Use it with a specific point in time.)

Since

200

What’s a common disadvantage of electric cars in Canada’s winter? (Tip: Cold weather affects this.)

Battery performance drops

200

What does “mislead” mean? (Tip: Think of giving wrong direction or idea.)

To give false information

200

Have you eaten dinner ___? (Tip: Use this in questions or negatives to ask if something has happened.)

Yet

300

What gas do trees absorb from the air?

Carbon Dioxide 

300

She has worked here ___ ten months. (Tip: Use it to say the length of time.)

For
300

How much money do electric car owners in Canada save on fuel? (Tip: Electricity vs. gas.)

They save more than gas car owners

300

Which word means “to exaggerate or describe something as better than it is”? (Tip: Prefix for doing too much.)

Overrate

300

She has ___ cleaned the kitchen, so don’t make a mess! (Tip: Use this for something done earlier than expected.)

Already

400

Which energy source is renewable: coal or solar?

Solar

400

___ have you studied Spanish? (Tip: Question word for time duration.)

How long

400

What is a challenge for electric car users in rural Canada? (Tip: Infrastructure.)

Few charging stations

400

What does “underestimate” mean? (Tip: You judge something as less important than it really is.)

To think something is less than it really is

400

I haven’t called him ___. (Tip: Use this when something hasn’t happened but is expected.)

Yet

500

What is the term for meeting our needs without harming future generations?

Sustainability 

500

They have been friends ___ they were children. (Tip: Use it to show the starting point.)

Since

500

What is a government incentive for buying electric cars in Canada? (Tip: It reduces the price.)

Rebates or tax credits

500

Choose the word that means “to wrongly judge a person’s intention.” (Tip: Prefix for mistake + verb about understanding people.)

Misjudge

500

He’s ___ not arrived. (Tip: Use this for actions that haven’t happened and continue not happening.)

Still