A poet and artist______ coming to speak to us about Chinese literature and painting tomorrow afternoon.
Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.
Running a company is not _______ a matter of hiring people — they also need to be trained.
—What made ber so sad? —______a good chance to go abroad.
You can come here to ask me ________ if you have any questions.
They put_______on the government to lower taxes and give laid-off workers necessary health care.