--- How was your trip to New York, Jennifer? --- Fantastic! That was the first time I _______ to such a big city. It’s so impressive.

In the past few years, so many areas throughout the world have been hit by such destructive earthquakes, snowstorms and tsunamis ________ we have never experienced before, ________ makes us worried a lot about nature disasters.

---You shouldn’t have taken pictures before the carved stones．---____ .

There is no ______in pushing children unless they are talented and they enjoy it.

The hospital nearby has just got a , ______ you’d call it, er……a scanner.