Edwin Hubble (1889–1953), an American astronomer, _____ galaxies through a telescope.
took
invented
collected
observed
Last month the scientist ______ specimens of some sea spiders from Antarctica.
took
collected
discovered
observed
Make sure you ____ notes when we are at the museum.
invent
discover
take
observe
Do you know who _____ the electric guitar?
discovered
observed
collected
invented
This month two teams of archaeology students ______ research in South Africa.
are developping
are doing
are collecting
are discovering
Linguists and psychologists are cooperating to _______ a new theory of language learning.
collect
discover
invent
develop
Mr Marco works as a _____ (PHYSICS) at the University of Alaska.
physicist
We all tried to find the best _____ (SOLVE) to the problem.
solution
I want to study _____ (CHEMIST) at university.
Chemistry
A _______ (CONSERVE) is someone who works to protect plants and animals.
conservationist
Take _______ (MEASURE) of your desk before you buy a new computer screen.
measurements
The cost of space _______ (EXPLORE) is very high.
exploration
MAKE A SENTENCE: My computer / crash / while / I / download / a song.
My computer crashed while I was downloading a song
MAKE A SENTENCE: Tom / lose / his smartphone / when / he / run / in the park.
Tom lost his smartphone when he was running in the park
MAKE A SENTENCE: The first international Internet chat / take place / in February 1989.
The first international Internet chat took place in February 1989
MAKE A SENTENCE: It / be / so hot yesterday. The temperature / rise / to 38 degrees C.
It was so hot yesterday. The temperature rose to 38 degrees C
