-- Director Wang, a man is waiting to see you outside, _______ he come in?-- In a moment. I' m busy right now.
Andeison entered the classroom, ____book in ___hand.
She studies ___ medicine before she turned ___ writer.
His uncle gave him books to read, but after a page or two he would put __book down and pick up__ new one.
A non-smoker can hardly imagine__ pleasure of having__ smoke after a meat.
.They have their reasons for keeping their marriage___ secret for ___ moment.