He spoke to us after his meeting. BEFORE He didn’t speak to us_____________
before his meeting.
15
They said the name of the winner and we immediately cheered. AS We cheered _________________________ ______________ the name of the winner.
as soon as they said
15
In the lesson, I noticed that my friend was sleeping. DURING I noticed that my friend was asleep __________________________________.
during the lesson
15
She travelled after she graduated from university. UNTIL She ______________________________ she graduated from university.
didn’t travel until
15
At ten o’clock, all the scientists were in the lab. BY All the scientists were in the lab ________ __________________________.
by ten o’clock
15
We were at the dinner table when the phone rang. HAVING The phone rang ______________________ _____________ dinner.
while/when we were having
15
Ada Lovelace was born in London, in 1815 She was the first computer programmer more than 130 years _____ modern computers arrived.
by
while
before
15
_____ she was young, her mother wanted her to study mathematics.
when
during
until
15
_____ the age of seventeen, she was an excellent mathematician.
During
By
While
15
_____ she was at a party, she met Charles Babbage, whose invention was the first simple computer. She became fascinated by the machine, which he called the Analytical Engine.
Until
During
When
15
_____ possible, she began to think of ways to use the engine to solve mathematical problems.
As soon as
After
Before
15
This is why people say she was the first programmer. She continued to work with Babbage_____ her death at the age of thirty-seven.