There is a _________ of 1000 dollars for the return
| A．reward | B．prize | C．thank | D．prsise |
You can’t see things clearly through a telescope unless it is _____ correctly to your sight.
| A．adjusted | B．examined | C．checked | D．tested |
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 |