1 . We drove along a ______(mud) track winding along the river. (所给词的适当形式填空)

2 . What the manager is seeking is a ________ (职业的) biology guide. （根据汉语提示单词拼写）

3 . The project looks at how we could be more ________ (effect) in encouraging students to live a low-carbon life. （所给词的适当形式填空）

4 . If the________ (有毒的) chemical gets into your eyes, rinse(冲洗) it out well. （根据汉语提示单词拼写）

5 . After leaving my home for three months, I felt ________ (想家的) .（根据汉语提示单词拼写）

6 . On Tuesday afternoons we have an ________ (非正式的)singing class, which most of the students attend. （根据汉语提示单词拼写）

7 . The little boy was ________ (害怕的)of talking with his teacher face to face. （根据汉语提示单词拼写）

8 . Freddy was quite ________ (有信心的)when he went into a concert hall. （根据汉语提示单词拼写）

9 . We are ________ (好奇的) to know how the air crash happened. （根据汉语提示单词拼写）