We are kept ______ of what is happening in the world by reading newspapers and watching TV.
Rather than _______everything to the last minute, I always prefer starting early.
The student must have been ill yesterday, ______?
If you ______ earlier, you ________ him.
Great changes __________ in our hometown in the past twenty years..
John, look at the time. ________ you play the piano at such a late hour?