----- Can I go back home now? ----- You______ to leave until you ______ your work.
| A．won’t allow; finish | B．won’t be allowed; will finish |
| C．won’t be allowed; have finished | D．won’t allow; will finish |
The last bus _________ two minutes before I arrived at the bus stop. What a pity!
| A．left | B．has left |
| C．was leaving | D．had left |
A new subway ________ in Changsha and it will be open to traffic when completed next year.
| A．has built | B．has been built |
| C．is building | D．is being built |
My parents always ________ great importance ______ receiving good education.
| A．pay; back | B．apply; to |
| C．attach; to | D．get; across |
The film star wears sunglasses. ________, he can go shopping without being recognized by fans.
| A．Therefore | B．However |
| C．Otherwise | D．Besides |
Studies indicate that people are more _______ to suffer from back problems if they sit before computer screens for long hours.
| A．possible | B．likely | C．sure | D．certain |