________ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．Being examined | D．Having been examined |
________ she couldn’t understand was ________ fewer and fewer students showed interest in her lessons.
| A．What; why |
| B．That; what |
| C．What; because |
| D．Why; that |
________ made the school proud was _______ more than 90% of the students had been admitted to key universities.
| A．What; because |
| B．What； that |
| C．That; that |
| D．That; because |
________ in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required |
| B．What requires |
| C．It is required |
| D．It requires |
The boy lying under the tree lied to his friends that his cock ________ eggs.
| A．lied |
| B．laid |
| C．lay |
| D．lain |
She felt ________ about her future.
| A．puzzle |
| B．puzzling |
| C．puzzled |
| D．puzzles |