In 1986, the Chinese government ________ a law stating that by the year 2000 every Chinese child would have nine years of compulsory education.
I have done everything possible to prevent him from running the risk but ______.
She ______ her position as principal by giving jobs to her friends, which was severely criticized by fellow teachers.
It shames me to say it, but I told a lie when ______ by my head teacher why I was late for school.
______ it rain tomorrow, we would have to put off the sports meeting.
Tom seldom, ______, paid for the software on his computer. That is, he used lots of pirated software.