At the beginning of class, the noise of desks ______ could be heard outside the classroom.
| A．opened and closed | B．to be opened and closed |
| C．being opened and closed | D．to open and close |
11. Mrs. White found her husband surrounded by letters and papers and _________ very worried
| A．looked | B．looks | C．looking | D．to look |
10. Sunset at Mount Huangshan is a beautiful scene, _________ I’ll never forget.
| A．it | B．one | C．what | D．That |
9. There are many students of Grade Three reading in the reading room, most of _________ with their heads buried in their reference books and notebooks.
| A．them | B．whom | C．which | D．That |
8. We believe _________ you have devoted yourself _________ sure to come true.
| A．that; is to | B．all that; to be | C．that all; to are | D．what; to is |
7. Intelligence does not _________ mean success. You need diligence as well.
| A．honestly | B．formally | C．simply | D．necessarily |