Why are you worried—I’m expecting a call from my daughter. She New York for three days.

Silk from China found its way to India, the Middle East and Rome,spices(香料) and glass, which was not known to China

Why do we get up so early— If we ______ the flight we would have to stay herefor another day.

When you set foot on a new country, you have to learn to ______ a whole new way of life, which can______most of your time in the beginning.

填入下面一段文字横线处的语句，最恰当的一句是（ ）对于每个学生来说，在进行升学规划时， 也是促进学校办出高质量的动力所在。