With an appropriate relative pronoun:
(1)The treatment____ is being tried by doctors at these hospitals, has proved to be effective for patients.
(2)Mrs. Taylor,____ came on holiday with us, is now in Shanghai.
which;who
With an appropriate relative pronoun:
(1)The treatment____ is being tried by doctors at these hospitals, has proved to be effective for patients.
(2)Mrs. Taylor,____ came on holiday with us, is now in Shanghai.
which;who