He has three brothers, ________is a doctor.
The growing speed of a plant is influenced by a number of factors, most of _______ are beyond our control.
--- How are things going, Janet?--- They have set out to deal with the present situation _________ they think deserves their immediate attention.
You may rely on _______ that she is sure to attend the concert.
Tom often gets high marks. He is one of the students who _______ great importance to _______ homework
Everybody at the scene was shocked when the fierce shark _______.