She once again went through her composition carefully to _____ all spelling mistakes from it.
—Would you rather come on Friday or Saturday? —_____.
—Did you look up the time of trains to Shanghai? —Yes, the earliest train is_____to leave at 5:30 am.
She stepped into the bedroom quietly_____she might wake up her roommates.
Many people have been ill from a strange disease these days,_____ we’ve never heard of before.
—He_____ to the meeting. Have you informed him of it? —Sorry. I_____ to.