The book（ ）I read last night was fantastic.

What is even more important is （ ） the earth cooled down, water began to appear on its surface. 

（ ）, Sam knows lots of things about philosophy.

We will never forget the firemen（ ）lost their lives in the forest fire in April 2019 at Liangshan, Sichuan.

Between the two parts of the concert is an interval, （ ） the audience can buy ice-cream. 

We travelled on the 6: 45 a.m. train to Boston,（ ）arrived at 8: 30 p.m.

— What's the matter with Rod?
— I think he's still（ ）that he didn't pass the driving test.

Most employers in the job market care whether the candidates have（ ）experience.  

There's a big difference between saying you'll do something and（ ）doing it.

Letters to the editor must carry the writer’s full name, which indicates that writers are（ ）for what they say.

How much （ ） she looked without her glasses!

After the new technique was introduced，the factory produced（ ）cars in 2017 as the year before last year.

British Broadcasting Corporation plans to spend millions to fight off American media and tech giants, （ ）, Amazon, Netflix and Facebook.

I’m not surprised that he became a writer. Even as a child he had a（ ） imagination.

John once worked in a remote mountain village school, which is（ ）only on foot.

​I was（ ）to have met Tyson, one of the celebrated boxers in the game's history.

Women employees（ ）the same salaries as men for doing the same work.

Gina went to the doctor’s yesterday and she（ ）about the importance of good living habits once more.

— Lucy, what have you learnt from this history class?
— Paper（ ）first（ ）about 2,000 years ago in China.

His car（ ）five years ago, but it looks quite new.