Câu hỏi:

As a brilliant and mature student with a rare gift of concentration, Marie harbored the dream of a scientific career which was impossible for a woman at that time.

But lack of funds forced her to work as a private tutor.

She received a general education in local schools and some scientific training from her father.

The old man walked (A) home (B) by himself, (C) in spite of he knew (D) that it was dangerous.

(A) Historical speaking, (B) the island is (C) of great (D) interest, isn’t it?

They didn't (A) seem (B) very interested (C) in (D) that I was saying.

Find the one mistake (A, B, C or D) in these sentences and then correct them

The waiters asked (A) if we were all (B) one another (C) so we explained (D) that we were two separate parties.