At first driving requires a lot of concentration, but over time, it just becomes_____.
| A．authentic | B．available | C．automatic | D．awake |
4. “How long have you been an actor?” “_______ 1995, when I graduated from college.”
| A．After | B．In |
| C．From | D．Since |
Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
| A．which | B．since |
| C．because | D．because of |
The writer is not satisfied with _______ buses are too crowded.
| A．that | B．which |
| C．what | D．the fact that |
Their belief is proved by the fact that the death penalty prevents murder.
| A．that | B．which |
| C．what | D．the fact that |
What he said at the meeting referred to _______ he was interested in the project.
| A．that | B．which |
| C．what | D．the fact that |