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We began to open to the outside world in the late 1970s.    ,there have been great changes in the country.

—Have you seen your friend off ?

—Yes. I watched the train leaving the station        it disappeared from sight.

—I think you can’t believe I had to pay $20   a haircut?

—You should try the barber’s       I go. It’s only $5.

According to the new government plans, peasants’ children have equal     to schooling.

How a person     to criticism often means the difference between success and failure.

The exam poster will be   on Friday afternoon.

I like getting up early in the morning. You know the morning air is so good      .

—On Sundays I prefer shutting myself in and listening to music all day on Sundays.

—That’s      I don’t agree. You should have a more active life.

This book     18 passages,     three written by my head teacher.

What the science teacher does and says       of great importance to college students.