_____ a reply, he decided to write again.
| A．Not receiving | B．Receiving not |
| C．Not having received | D．Having not received |
Emails are efficient and convenient, but the best way to __________ a message is still to talk it out in person.
| A．attend to | B．break through | C．result from | D．get across |
China has been considering raising the retirement age since 2008 to ________ its shrinking workforce and aging society.
| A．set off | B．put off | C．bring about | D．cope with |
The government has been under growing pressure to ________ the causes of air pollution as smog frequently smothers the country’s large cities.
| A．release | B．schedule | C．address | D．maintain |
Cartoons should _________ social morality and family values and avoid violent scenes, including those that children could easily imitate.
| A．demonstrate | B．advocate | C．approve | D．resolve |
Unlike a stage actor, a film actor must be able to perform small scenes out of ________ and often days apart in time.
| A．compliment | B．strategy | C．interruption | D．sequence |