______ it have been the failure to pick up directions from the ground control that caused the air crash?
The picture ____ on the wall is painted by my nephew.
The pen ____ she writes letters is broken.
All the preparations for the task ______, and we’re ready to start.
If I had _____ , I’d visit Europe, stopping at all the small interesting places.
Please tell me _____ you want your coffee, black or white?