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