1 . 从词汇框中选择合适的单词完成句子。

actually     rescued     creative     deliver     distance     concerned explore     fluent     outgoing     quality     narrow     challenges

1. I am confident enough in my abilities to take on ________.
2. They put out the fire and ________ the dog inside the house.
3. The ________ artist is always coming up with ideas for new paintings.
4. It’s safest to keep a good ________ from the car in front because it may suddenly stop.
5. It’s one thing to have a goal; it’s another to ________ act on it.
6. The road was too ________ for cars to pass, so we got out and walked.
7. Einstein is one of those who ________ science at its deepest level.
8. Lily is in London for only half a year, but she can speak ________ English.
9. As is shown in the report, the air ________ in the city has improved over the past two months.
10. When I was a boy, a milkman used to ________ milk to our door step.