What we need is a patient teacher, __________ who listens to us students.
.— Jenny looks hot and dry. — So______ you if you had a high fever.
As you are now a member of our society we shall let you ______ our secrets.
_____ many times, she still didn't know how to do it.
_____ many times, but she still didn't know how to do it.
Scientists think that the continents today _______ always where they _______.