To my mind, she is the most wonderful teacher that I’ve ever known, _______ is able to get across to her students ______ she really thinks and means.
There was a _________ look on her face so I repeated the question.
___________ everyone is here, let’s start work.
—What are you going to do with so many vegetables?—Well, ______ allow them to go bad, I will sell them at half price.
These teenagers don’t know much of the world yet; that’s why they are so easily _____ .
--- How much do you know about the 3D film technology?--- A little. Not until ________ the hot movie Avatar ________ some about it.