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.

I′d like some noodles._____ you, Kate? [ ]

If you watch carefully, you can see_______________ the man does the trick.

Every morning John walks to the bus stop after he gets ______ the lift of the building.[ ]

Mr. West showed me around the library ______he was working. [ ]