The computer system suddenly when I was surfing the internet.A, broke down B, broke up C, broke out D, broke in
Lu Xun was ___________ medical student before he turned ___________ great writer.
Many people have been ill from a strange disease these days,_________we’ve never heard of before.
The sunlight came in____________ the windows in the roof and lit up the whole room.
She stepped into the bedroom quietly_________she might wake up her roommates.
—He _____to the meeting. Have you informed him of it? —Sorry. I______to.