He was busy writing the exam paper , only ___once in a while to check the time.
It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
Model as a career_____ to many young girls because of the fascinating T-stage.
He dressed up and went to the party as if_____.
—Would you like some more tea? —____ , please.
What surprised me was not what he said but he said it.