—Ann is in hospital.— Really? I _____ know. I ______ go and visit her.
27. They’re arguing on who, on earth, is known for the great discovery ______ penicillin, an effective bacteria killer.
26. -Do you know what Miss Black does for a living? -I have no idea at all, I think she could be _______ but a singer.
25. These two countries are similar ______ they both have a high snowfall during winter.
24. No matter what the newspaper articles say, the newly-made temple doesn't ______ a place of interest.
23. So quickly ____________ is a possibility today may be a reality tomorrow.