So difficult _____ it to adjust to an English-speaking environment that he determined to learn English hard.
—Poor Steve! I could hardly recognize him just now! —________ . He has changed so much.
Though _____ in the accident, the bus driver did all he could to help the passengers to safety.
Brave New World describes a promising future _______ there is no war or violence and all the people can live happily.
—Anything special in today’s papers? —Yes. “Confidence is more important than gold” by Premier Wen ________as a headline in many of today’s newspapers.
______________ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.