The housework………………done by my mother last night.
are
is
wrer
was
The car…………………..by the mechanic yesterday.
was fixed
fixing
fixes
fix
Geologists, ……………………… study Earth’s formation and its rocks, find out whathappened in the past by looking at layers of rock.
which
who
whose
when
Humans, …………………………. activities cause global warming, need to take action.
. which
- What are the hot melted rocks ………………….?
called
. call
calls
calling
This phone,………………. I bought secondhand, is just as good as any new model.
- Al Zahrawi,……………….. was a surgeon, developed many medical instruments still in use today.
That girl,……………….. name I’ve forgotten, goes to my school.
In the Antarctic, ……………….. plants and animals face a harsh cold environment,
archaeologists have found evidence that this area was once much warmer.
where
Global warming, ……………is a subject I’m very interested in, is the topic of the conference.
Around 1.5 million years ago, some of …………volcanoes in Jordan were active.
old
young
the youngest
younger
Several ice ages , …...........…. glaciers covered much of Earth’s surface, have taken place.
A film ……………………watched by my son every day.
were
Sudden disasters filled the atmosphere with smoke and dust , …………… blocked out the Sun, causing the climate to become cold and dark.
People say the author’s latest book,……………….I haven’t read yet, is quite good.