9. Many of our bad habits c_________ (引起、导致)pollution.　

8. If you study harder, you will have a good r_________ (结果)in the exam.

7. Plants need to a__________ (吸收)water from the soil.　

6. We have no c________ (选择)but to study hard.

5. I can’t s_______ (解决)the problem, can you help me?　

4. He is enough tall to r____________(够得着) the top of the blackboard.

3. Protecting our e_________________(环境) is out duty.

2. Getting up early is a good kind of h__________.(习惯)

1. Which do you p_________(更喜欢), milk or coffee?　　　

9. If you try your best to achieve your goal, you will make it.