用Getting ready Reading 板块出现的新单词完成下面的句子。如有必要, 须改变单词的形式。
（1）、What I need to do first is to the problem.
（2）、You should trust her. There is no reason to her words.
（3）、Why does Sally's face turn red? I don't think she is telling the .
（4）、Look at the dark clouds high in the sky. It that it is going to rain.
