Recently I have bought an iPad on the website of taobao.com, _______ the price is very reasonable.
| A．which | B．whose | C．on which | D．of which |
It is said that many streets in this city have been ______ for cultural protection.
| A．left out | B．carried out | C．marked out | D．stood out |
I tried to ______ Tom last night, but no one answered the phone.
| A．call up | B．call on | C．call off | D．call for |
The ______ of air and water makes it impossible to live on the moon.
| A．presence | B．absence | C．dependence | D．evidence |
— Have you seen Shirley since she moved away?— Yes. I’ve seen her several times. She comes back to visit us ______.
| A．at any moment | B．from time to time |
C．in no time | D．sooner or later |
Xinhua said the landslide not only _____ power and communications, it also caused death.
| A．cut down | B．cut out | C．cut up | D．cut off |