VOCABULARY
WORD-building
GRAMMAR
USED TO
USE OF ENGLISH
100

Edwin Hubble (1889–1953), an American astronomer,

_____galaxies through a telescope.

observed

100

Marco works as a___ at the University of Alaska. PHYSICS

physicist

100

My computer / crash / while / I / download / a song.

My computer crashed while I was downloading a song.

100

Broadband Internet didn’t use to be / weren’t so

popular in the 1980s.

didn’t use to be

100

She___for her bag and took out the phone.

We____home late in the afternoon.

A asked

B arrived

C reached

C reached

200

Last month the scientists____ specimens of

some sea spiders from Antarctica.

collected

200

We all tried to find the best___ to the problem. SOLVE

solution

200

Tom / lose / his smartphone / when / he / run / in the

park.

Tom lost his smartphone when he was running in the park.

200

Did your grandparents use to buy / buy a black and

white television in the 1960s?

buy

200

They haven’t published their research__yet.

How much____do we need to print the documents?

A paper

B report

C ink

A paper

300

Make sure you____notes when we are at

the museum.

take

300

A___ is someone who works to protect

plants and animals.  CONSERVE

conservationist

300

The fi rst international Internet chat / take place / in

February 1989

The first  international Internet chat took place in February 1989.

300

We did / used to do a lot of exercises last weekend.

 did

300

The radio has warned of___temperatures today.

Cook the pasta in___water for about 10 minutes.


boiling

400

Do you know who___ the electric guitar?

invented

400

Take_____of your desk before you buy

a new computer screen. MEASURE

measurements

400

It / be / so hot yesterday. The temperature / rise / to

38 degrees Celsius.

It was so hot yesterday. The temperature rose to 38 degrees Celsius.

400

M y brother used to spend / was spending a few

hours a day online.

used to spend

400

I can’t believe you’ve bought a desktop____

To be a___scientist you have to be good at maths.

computer

500

This month two teams of archaeology students

____ research in South Africa.

are doing

500

The cost of space____is very high.

EXPLORE

exploration

500

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.

500

Did they use to use / Did they use GPS when they

were climbing in the Alps?

Did they use

500

As_____

as they discovered the cave, they started

exploring it.

They reached the top too____

waiting for the sunrise.

soon