6 In your notebook, write true sentences in the Present Continuous.
1 we / play / a computer game
We aren't playing a computer game.
2 1/ have / lunch
3 my best friend / take / a selfie
4 my parents / work
5 1/ sit / next to my friend
6 my teacher / chat / online
7 we / surf / the Internet
Fill in the gaps.
There are thousands of endangered plant and animal __species_ in the world.
Global _warming__ is caused by a phenomenon known as the greenhouse effect.
The three forms of _fossil__ fuel are oil, natural gas and coal.
Greenhouse _gases__ trap heat in the atmosphere, which makes the Earth warmer.
The Antarctic _ozone__ hole was discovered in 1985.
Each molecule of __carbon_ dioxide consists of one atom of carbon and two atoms of oxygen.
Switching to ___ energy-saving light bulbs is the easiest way to start saving energy.
When we burn fossil fuels, this releases all sorts of gases into the air causing air pollution such as smog.
Climate _change__ is one of the biggest threats we face today.
We cannot see or feel __UV__ radiation, but our skin responds to it by turning darker.
1) - “I know Sally Robinson.”
- “Really? How long have you known her?
- Oh, for for quite a long time now.
- When did you first meet her?
2) Has your husband ever had pneumonia?
- Yes, he has had it twice. He had it ten years ago, and once when he was a child
3) (It is 10 o’clock in the morning.) Have you seen Mrs Carter this morning?
- Yes, I have seen her when I arrived in the office, but she has gone out soon afterwards.
4) (It’s the middle of the afternoon.) I’m really hungry. I didn't have any breakfast this morning and I haven’t had time to go out for anything to eat this afternoon.