----- Nội dung dịch tự động từ ảnh -----
B Write one word in each gap.
9 Turn all the lights.
when you
leave the room. We don't want to waste
electricity!
10
has improved all our lives.
11 Could you disconnect your laptop.
the Internet when you've finished checking
your e-mail?
12 We thought the experiment would work, but
... the end it didn't.
my opinion, modern technology
13
last, someone has built a
battery-powered skateboard!
14 How many different types..
building can you think of?
15 That programme is about to start, so I'll turn
the TV.
16 Ice floats in water. Can you think of a reason
that?
(1 mark per answer)