Edwin Hubble (1889–1953), an American astronomer, o_ _ _ _ _ _ _ galaxies through a telescope.
observed
My computer / crash / while / I / download / a song.
My computer crashed while I was downloading a song.
Mum (work) on her laptop while dad (listen) to music on his new MP3 player.
Mum was working on her laptop while dad was listening to music on his new MP3 player.
we / not have / mobile phones or computers
We didn’t use to have mobile phones or computers.
Mr Marco works as a _______ at the University
of Alaska. PHYSICS
Mr Marco works as a physicist at the University
of Alaska.
Last month the scientists c_ _ _ _ _ _ _ _ specimens of some sea spiders from Antarctica.
collected
Tom / lose / his smartphone / when / he / run / in the
park.
Tom lost his smartphone when he was running in the park.
Margaret was (talk) on her smartphone
talkwhen she (start) crying.
Margaret was talking on her smartphone when she started crying.
my family / move / to San Francisco
My family moved to San Francisco.
We all tried to find the best ________ to the
problem. SOLVE
We all tried to find the best solution(s) to the
problem.
This month two teams of archaeology students are d_ _ _ _ _ research in South Africa.
doing
The fi rst international Internet chat / take place / in
February 1989.
The first international Internet chat took place in February 1989.
Adam wasn’t watching (not/watch) the film so
I (change) TV channels.
Adam wasn’t watching the film so I changed TV channels.
I / get / a digital watch / for my seventh birthday
I got a digital watch for my seventh birthday.
A __________ is someone who works to protect
plants and animals. CONSERVE
A conservationist is someone who works to protect
plants and animals.
Do you know who i _ _ _ _ _ _the electric guitar?
invented
It / be / so hot yesterday. The temperature / rise / to
38 degrees Celsius.
It was so hot yesterday. The temperature rose to 38 degrees Celsius.
Tony (not/take) any photos with
his phone at the party because he
(send) text messages to Jessica all the time.
Tony didn’t take any photos with his phone at the party because he was sending text messages to Jessica all the time.
he / eat / sweets / every day
He used to eat sweets every day.
The cost of space _______ is very high.
EXPLORE
The cost of space exploration is very high.
Make sure you t_ _ _ _ notes when we are at
the museum.
take
I / wait / for the photos from Sandra / last night /
but / she / not / send / me any.
I was waiting for the photos from Sandra last night but she didn’t send me any.
I (drop) my memory stick when I (run) for the tram.
I dropped my memory stick when I was running for the tram.
I / go to the cinema / with my grandparents / every week
I used to go to the cinema with my grandparents every week.
Take _________ of your desk before you buy a
new computer screen. MEASURE
Take measurements of your desk before you buy a
new computer screen.