I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September. A. to be heard B. to be hearing C. to hear D. to have heard
The queen will visit the town in May, _____she will open the new hospital.
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.