—Hello, is Mr Smith in?—Sorry, there is no such person _______ you referred to in my office.
The idea they have come up with sounds great, but it remains whether it works well in practice.
It is said that nobody in the world can lift a subject which is ______ himself.
Since I bought the book two weeks ago, I ______ hardly ______ time to open it, just because of the research paper.
As is widely accepted, _______ students should have ______ easy access to labs, libraries and other facilities at school.
---Peter was killed in the earthquake! ---_____ I talked with him last week.