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