They must have finished the task by the end of last month, ___________?
--Recent years have______rapid changes of my hometown. --Yes, I could hardly recognize it when I arrived yesterday,
Your performance in the driving test didn’t reach the required standard--- _______, you failed.
I asked the gardener to _________all those bushes and plant flowers instead.
Many of them didn’t follow his advice, _____they knew it to be valuable.
It was lack of effort, not of money, _____resulted in their failure.