—Did you find the missing couple in the mountain yesterday?
—No, but we ______ to get in touch with them ever since.
| A．had tried | B．have tried | C．have been trying | D．had been trying |
She is very dear to us. We have been prepared to do ______ it takes to save her life.
| A．whichever | B．however | C．whatever | D．whoever |
Would you please keep silent? The weather report and _________I want to listen.
| A．is broadcast | B．is being broadcast |
| C．has been broadcast | D．had been broadcast |
I was born in New Orleans, Louisiana, a city ______ name will create a picture of beautiful trees and green grass in our mind.
| A．which | B．of which | C．that | D．whose |
At the age of 29, Dave was a worker, _____ in a small apartment near Boston and ______ what to do about his future.
| A．living; wondering | B．lived; wondering |
| C．lived; wondered | D．living; wondered |
I can ______ be a teacher. I’m not a very patient person.
| A．seldom | B．ever | C．never | D．always |