1. It is believed that the     , diet plays in the treatment is important.

10. I would have no      (hesitate) in recommending Philip for the position.

9. Climate change is an opportunity to unite. The age of competition is of the past;the age of cooperation is      (dawn) ！

8. It was a        (roughly) mountain road,full of stones and huge holes.

7. Lucy felt a little      (frighten) ，but she felt very excited as well.

6. After they finished talking with each other,Tom went off in one      (direct) and Harry in another.

5. We were so tired that we found it difficult to keep      (wake) .

4. Don't handle the vase as if it        (be) made of steel.

3. You can see the stars on a clear night,but in the daytime they are       (visible) .

2. With so many eyes        (fix) on her,the little girl felt a little nervous on the stage.