Experts found a large quantity of wall paintings, some of them_____ the Han Dynasty.
| A．dating back to | B．dated from | C．dated back to | D．dates from |
11. She dedicates herself to her work. She is such a dedicated teacher that her efforts will _____.
| A．pay off | B．be fed on | C．pay back | D．be given back |
10. When she heard that I couldn’t help _____ the problem, the poor girl couldn’t help ____.
| A．to solve; crying | B．solving; to cry |
| C．solving; crying | D．to solve; to cry |
9. ______, President Obama is the most powerful in the world.
| A．Compared to | B．In a sense | C．In sight | D．Definite |
8. To get the project started, _____ they need is some money.
| A．only what | B．all that | C．all what | D．Whatever |
7. Nobody believed his reason for being absent from his class _____ he had to meet his
uncle at the airport.
| A．why | B．was | C．that | D．because |