I have two sisters, but ____ of them is a teacher.
Much attention must ______ these details.
There are only ______ new words in the passage, but I know _____ of them.
—I don’t like music which I can’t sing along with.—Me, ______.
— ______ useful tool the computer is!— I agree. It’s ______ interesting as well. A. What a ; / B. How a; the C. What an; / D How an;
---Are you sure you don’t mind my smoking here? ---_____________.