Sales of CDs have greatly increased since the early 1990s, when people_____ to enjoy the advantages of this new technology.
She told us _____ story that we all forget about the time.
At that time, Tom was _____one-year-old baby.
Mr. More has more money than Mr. Little. But he doesn’t enjoy_____.
Great changes ___________in my hometown in the past 30 years.
The students went into the classroom,________.