It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
____ that I’m feeling all right, my brain is also beginning to work much better.
The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
The workers were making so much noise in the workshop, and the boss hurriedly went to see ____.
This is certainly the case, but ____ it is a mistake or not I don’t know.
Villagers often say our village is no longer ____ it used to be.