He _____in London for many years, but he has never regretted his final decision to move back to China.
| A．lived | B．was living | C．have lived | D．had lived |
The teacher doesn’t permit ________ in class.
| A．smoke | B．to smoke |
| C．smoking | D．to have a smoke |
If you keep on writing, you will have brighter future, likely to become J. K. Rowling.
| A．the; a | B．the; the |
| C．a; a | D．a; the |
The reason ____the little actress has been such a success is ____she is both clever and hard-working.
| A．why, why | B．why, that |
| C．that, because | D．for, because |
There are some health problems that, when ______ in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not have been treated |
He couldn’t _________the fact that the money was found in his house.
| A．answer for | B．leave for |
| C．account for | D．care for |