Don’t interrupt me. I ________ letters all morning and have only finished five.
When I said that some people are stupid I was not _______ you.
Do you know that _______ with wise men improves your mind?
As is known to all, oranges are _______ Vitamin C. A. rich in B. poor with C. short of D. good for
We’ll do ________ the Party calls upon us to do.
If you try to learn too many things at a time at the beginning, you may _______.