—You see, I’m poor in physics and you are not good at chemistry, and…… — That’s _______ we should help each other.A. when B where C. how D. what
The boy ________ to me that the hen had ________ two eggs the day before.
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 _____.