Gun control is a subject_____ Americans have argued for a long time.
| A．of which | B．with which | C．about which | D．into which |
Every evening our eyes tell us the sun sets, while we know that, in fact, the earth ___ us away from it.
| A．turns | B．has turned | C．is turning | D．will turn |
Hearing the news, he rushed out, ___the book __on the table and disappeared into the dark.
| A．left; laid open | B．leaving; lying open | C．leaving; lie open | D．left; lay open |
. She was so angry and spoke so fast that none of us understood ____ she said meant.
| A．that | B．what | C．that that | D．what what |
At the sight of the policeman, ____ from behind the door.
| A．did the boy rush out | B．the boy was rushing out |
| C．out rushed the boy | D．rushing out was the boy |
Only when ___ possible to settle the problem.
| A．does the chief editor come will it be | B．the chief editor comes will it be |
| C．has the chief editor come will it be | D．the chief editor comes it will be |