—Sorry, sir. I'm late again.—What excuse will you __________ for yourself this time?
The Huang River is the second __________ river in our country.
The light in the office wasn’t ________for him to read.
There was an accident at the corner. ________, the girl wasn’t _________hurt.
You must keep your eyes _________ when you do eye exercises.
Five days has passed , but I haven’t finished half of the work. ________,