Although this medicine can cure you your illness, it has a bad effect____you.
—Will you complete the task in time? —Surely, I will. _________.
--So you know Catherine?---Yes, it was last week_____ she came to visit my roommate Jane.
________there are a large number of chemical factories, the air is likely to be polluted.
They weighed the advantages of the operation ______ all the possible risks involved over and over again.
The young man has been trying everything in his power to please the director, ______ to get a role in the play.