“How did the robber get in?” “______ an open window on the first floor.”
| A．Past | B．From |
| C．Over | D．Through |
Father ____________ goes to the gym with us although he dislikes going there.
| A．hardly |
| B．seldom |
| C．sometimes |
| D．never |
Gun control is a subject ___________ Americans have argued for a long time.
| A．of which |
| B．with which |
| C．about which |
| D．into which |
He ___________ his friends for their help at the hotel now.
| A．entertained |
| B．was entertaining |
| C．is entertained |
| D．is entertaining |
___________ I can see, there is only one possible way to keep away from the danger.
| A．As long as |
| B．As far as |
| C．Just as |
| D．Even if |
If you don't know his ___________, I think，it's very hard for you to get along with him.
| A．character |
| B．behavior |
| C．state |
| D．action |