成败归因理论认为，学生常将成功或失败归因于( )。

单项选择题______ new buildings will be built in my hometown.

单项选择题My suggestion is ______ we should have mercy ______ these homeless children and offer them some help.

单项选择题Hi, Bob! I can't find my history book. ______ you ______ it anywhere

单项选择题Which of the following is NOT a distinctive feature of human language

单项选择题The air of countryside is cleaner than ______ of city, but I don't like to live ______ far.