Could I speak to ____ is in charge of International Sales, please?
He is so young and short a man that I think he is ________ but a professor of Northwest University.
They have done much of the work; when will ________ be finished?
Mum, I need a new schoolbag. Could you buy ________ for me tomorrow?
The fact that she can't talk makes ________ difficult for her to communicate with her new classmates.
—May I ask for leave tomorrow?—No, you can't. ________ applying for the scholarship must be present.