E-mail, as well as telephones, __________ an important role in daily communication.
| A．played | B．is playing |
| C．are playing | D．play |
.Her politics ______ neither conservative nor liberal.
| A．is | B．are | C．was | D．has been |
.Measles ______ a kind of infectious illness.
| A．is | B．are | C．were | D．have been |
.The Philippines ______ to the south-east of China.
.Mary is one of the girls who ______ always on time.
| A．is | B．am | C．are | D．Was |
.Tom is the only one of the stall members who ______ to be promoted.
| A．is going | B．are going | C．has been going | D．have been going |