题目内容：

    I used to hate running. It seemed too hard, and pushing outside my comfort ______ was not something I was raised to do.

In fact, I wouldn’t have become a(n)______ if it weren’t for my husband Charles He had been a ______ competitive runner for many years. After our marriage, he wouldn’t stop talking about how much he ______ it.

So he picked it up again, and after about a year, I started to join him at the ______. Just a few weeks later, Charles signed us both up for a five-kilometer race. I ______ about doing it. It was too soon.

But on race day, there I was.

The gun went off Thousands of runners ______.

The first kilometer was tough. I was already breathing ______ and painfully aware of the group of runners____ past me.

After another minute I saw the three-kilometer ______.All I could think of was that I was ______.

I rounded a comer, and saw both sides of the street______ with people watching the race, all cheering the runners on. I ______ my legs to keep going.

Then I looked up and saw the clock. The ______ ticking away gave me an incentive(助力). I knew that if I had ______ finished this race I would have achieved something, So, I ______ up, and kicked it.

I had my arms ______ higher when I passed through the finish line. A volunteer put a(n) ______ around my neck.

“You did great! I’m so proud of you!” Charles was thrilled that I’d ______.

“That was amazing! I want to do another race.” I proudly hugged my medal as we started to walk to the post-race festivities. My lungs and my comfort zone both______.

1.A.block B.line C.emotion D.zone

2.A.wife B.coach C.expert D.runner

3.A.serious B.common C.casual D.sharp

4.A.hated B.missed C.admired D.trained

5.A.race B.department C.track D.ceremony

6.A.hesitated B.puzzled C.cared D.brought

7.A.slipped away B.backed off C.pushed forward D.came over

8.A.mildly B.shallowly C.gently D.heavily

9.A.running B.bending C.reaching D.pacing

10.A.symbol B.mark C.pattern D.campaign

11.A.hopeful B.speechless C.dying D.moving

12.A.stuck B.crowded C.provided D.directed

13.A.sunk B.bent C.shook D.willed

14.A.seconds B.titles C.criteria D.competitors

15.A.also B.actually C.just D.unfortunately

16.A.dressed B.came C.stayed D.straightened

17.A.kept B.crossed C.held D.tied

18.A.rope B.medal C.necklace D.award

19.A.got it B.meant it C.made it D.defeated it

20.A.trembled B.expanded C.ached D.erupted