____________ a solution
come up with
She ______________ (eat) breakfast before I arrived.
had eaten
Something that is worn is comfortable/wearable.
wearable
That’s the hotel in Florence that/where we stayed last year.
where
Robert's parents ……………… are both retired live in Spain
Robert's parents, who are both retired, live in Spain
_______ a product
develop
After I ______________ (see) the film, I read the book
had seen
Something suitable for a particular purpose is practical/high quality.
practical
Martin Cooper is the man which/who invented the mobile phone.
who
Have you still got the money ……………… I gave you?
Have you still got the money ………(that)……… I gave you?
______ an invention
create
use: after, before, when or by
____________ I had waited for half an hour, the bus finally arrived.
After
Something that always works without a problem is reliable/unreliable
reliable
The Aston Martin is the sports car that/who the James Bond films made famous
that
Sydney ……………… has a population of more than three million is Australia's largest city.
Sydney, which has a population of more than three million, is Australia's largest city.
__________ a discovery
make
use: after, before, when and by
He had lived in Lisbon for a year ____________ his Portuguese started to improve.
before
Something that uses electronic signals instead of cables is ...
wireless
He’s the author who/whose book won the competition.
My sister ……………… wasn't feeling very hungry didn't want to go to the restaurant.
My sister, who wasn't feeling very hungry, didn't want to go to the restaurant.
________ a device
design
She (not understand) the lesson because she (not listen) carefully.
She didn't understand the lesson because she hadn't listened carefully.
Something that is convenient to use is ...
handy
The Nobel Prize in Chemistry is an award ______ is presented in Stockholm every year.
which/ that
Brighton ……………… is a tourist centre on the south coast is about 85 km from London.
Brighton, which is a tourist centre on the south coast, is about 85 km from London