______ at the door before you enter my room, please.
| A．Knock | B．Knocking | C．Knocked | D．To knock |
I invited him to dinner, but he___ my invitation with thanks.
| A．approved | B．declined |
| C．ignored | D．abandoned |
The population of this city ,forty percent of which_____, ______ 15% in the last three years
| A．are Germans, has risen by |
| B．are Germen, has fallen by |
| C．is Germans, have been increased by |
| D．is Germen, have been reduced by |
—Guess what? Tom has failed in the exam ____ second time.
—How come? He is ___ second to none in English in our class.
| A．a; a | B．the; a |
| C．a; / | D．the; the |
---Henry,what do you think of the movie Mission: Impossible 4?
---_________.I wish to watch it again.
| A．It couldn’t be worse. |
| B．It couldn’t be better. |
| C．I can’t agree more. |
| D．I think it a waste of time. |
When_______ to read the text in class,Jefferson just kept ________.
| A．asked,silent | B．asking,still |
| C．being asked,quiet | D．asked,calm |