_____ these experiments were successfully completedwould we think of going into humans

下列各句中，没有错别字且加点字的注音全都正确的一项是

g this, tears came to my eyes as I realized ________ a fool I had been to judge him to be honest.

Over the past decades, sea ice _______ in the Arctic as a result of global warming. [ ]

Where are you going to stay when you get to Shanghai—I may live _________ in a hotel _________ in a friend’s house.