1. This chair is ___ the way. Move it, please.
A. on B. to C. by D. in
2. ___ the explanation of the book, we can finally understand the passage.
A. Under the help of B. With the help of
C. After the help of D. By the help of
3. Although they are twins, they don’t have much ___.
A. the same as B. as a result C. in common D. in total