It’s _________unlucky day today because I lost_______useful book.
More often, the air in Hangzhou is dirty because of _____.
If there is a will, there is a way to get the trouble ______.
The Chinese Characters Dictation Contest﹙汉字听写大赛﹚was very popular. There ____ a similar one in our school next Friday. I can’t wait.
—What do you expect ______ from your hard work?---Nothing, I just want to try my best.
Though Mandela﹙曼德拉﹚____27 years in prison﹙监狱﹚, he thought it meaningful.