They have a lot in common, and that means they have many________ (相似点).

They have a lot in 　　　 and have become close friends.

A.common　　 B.usual　　　　 C.ordinary　 D.general

The twins have a lot in common but we still can tell their differences．One prefers ________ early every day while the other would rather ________ till deep night．

1. A.
   to sleep; stay up
2. B.
   stay up; to stay up
3. C.
   sleep; stay up
4. D.
   stay up; to sleep