A famous American humorist and author of popular and outstanding autobiographical works, travel books and novels, whose real name is Samuel Langhorne Clemens, is …
Do you think the police _______ well-paid?
I _______ over the phone for a whole hour when the porter knocked at the door.
A cultivated variety of a plant that has been deliberately selected for specific desirable characteristics is …
The staff of our hospital includes qualified…
I _______ English for the last two years but I can’t speak it yet.
A Scottish moral philosopher and a pioneer of political economics is …
He had ________ holiday last summer.
I’ll never forgive you ________ you tell this to anybody.
A Scottish biologist and pharmacologist whose best-known achievement is the discovery of the antibiotic substance penicillin in 1928 is …