Our monitor is always fulfilling his tasks at an amazing speed,        beyond our reach.

A child who lives in an uninteresting environment will develop less intelligence than ______ who lives in a rich and changing environment.

Where someone is born and what a person looks like is not as important as ____ he or she grows up to be.

I stayed there for only two days but ______ felt like two weeks．

I would rather buy a house in the countryside than ______ in the city.