1．(2019年江苏卷·阅读理解B)A thoughtful official passed on some of the copies to the park authorities on the ________ (assume) that they might make a nice blowup for one of the visitors' centers.
2．His explanation was not ________ (reason), so all of us didn't accept it.
3．Grey decided to move to the countryside and his mother made no ________ (object) to it.
