Употребите глагол в активном или пассивном залоге the american physicist. mr.hall (make) an important discovery when he was still a student. the effect which (name) after him (include) soon in all textbooks on physics. once, many years later. mr.hall (invite) to a congress of physicists. many participants of the congress to whom mr.hall (introduce) asked one and the same question. "arent you any relation to the old hall? " he usually (say).
was named
was included
was invited
was introduced
was said