There was a teapot fashioned like a duck ,out of _____open mouth the tea was supposed to come out . A which B whose C its D that
Do you know who our teacher will have ________ an article for the wall newspaper?
Little _______ that the region was rich in natural resources about four decades ago.
—Shall I pick you up after school this afternoon? — ________, if it’s convenient to you.
The purpose of a class is to teach you to think creatively and not to follow your teacher_________.
With lots of problems ________ in the class, our teacher looks very relaxed and happy.