____ made things worse, he said, was that his roommate never took part in any of the cleaning work.
“Shall Mary come and play computer games?” “No, _______ she has finished her homework.”
_______ the sun rising slowly in the east, the scene is a perfect dream.
______ for something, a receipt is given to you.
_______ a pair of compasses, it is easy to describe a circle.
“May I go and play with Dick this afternoon, Mum?” “No, you can’t go out _______ your work is being done.”