Yolanda went through the test paper once more carefully for fear that she would _______ any essential details.

The machine has been used many years. It’s no wonder that it doesn’t work well________. 

Barbara has worked here for three years, so I’m sure she’s quite ______ to the task.

       of the land in that district          covered with trees and grass.

If we keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.