Use articles the, a, - (no article).
Ben is … my friend.
My sister will be … doctor.
… Sam is … strong.
It was … beautiful picture.
Boss is … workaholic.
It was … his letter.
Sofia is from … France.
We learn … English and … German.
Mark is from … Sweden. He is … Swede.
Oliver is from … England. He is … Englishman. Oliver speaks … English.

Ben is my friend (no article)

My sister will be a doctor. (a)

Sam is strong (no article)

It was a beautiful picture (a)

Boos is a workaholic. (a)

It was his letter (no article)

Sofia is from France (no article)

We learn English and German (no article)

Mark is from Sweden (no article)

He is a Swede (a)

Oliver is from England (no article)

He is an Englishman (an). Oliver speaks English.

Объяснение: