根据下列各句句意和空白之后的汉语提示词，在答题卡指定区域的横线上写出对应单词的正确形式，每空只写一词。
It’s  ______________ ( 正常的 )  to feel nervous before an exam.
To build a road in the mountainous area was a real  _____________( 挑战)
She had ____________( 安排)  all her business affairs before going on holiday.
Nancy is not __________________ ( 乐观的)  about her score of the test.
Mother _______________ sugar out of a bag into a pot just now.(倒入)
He soon found himself in a _____________________(困境；窘境)
He knew his deskmate didn’t want to step on his foot _____________(故意),so he forgave him and said nothing .  
She felt she had looked at the problem from every _______________(方面 ).
A ______________(代表) of the company will call on you to assess the damage.
In fact, he is three years _______________(年长的)  to his friend.