题目内容：

It was 7:15 a.m. and Gary Messina was on his morning run along New York City’s East River. Suddenly something caught his eye—a man screamed for help ________ the current pulled him away from the seawall.

David Blauzvern and John Green ________ their phones and keys on land and jumped in. Messina, a police officer, also joined them in the river. Just as the man was losing ________, they stabilized him, with Blauzvern ________ his back and Messina and Green holding him ________ from either side. After ten minutes, they ________ to get to the river’s edge and stayed as close to the ________ as they could.

Fifteen minutes later, a rescue boat ________. As they ________ the boat, there came a new ________: The wave created by the current was ________ them under the boat.

Blauzvern remembers being ________ just as someone in the boat held on to the man, ________ Blauzvern to let go. Somehow, he ________ a pole attached to the boat deck and dragged himself ________. The men in the water pushed the drowning guy while the men in the boat pulled him up and, finally, to ________. The man they had saved was taken to the hospital for medical aid. Details on his ________ have not been released.

As for the rescuers, each of them was ________ by 10:30 a.m. “I was a bit late,” _________Blauzvern, smiling. “But I had a good ________.”

1.A. after    B. for    C. as    D. once

2.A. dropped    B. landed    C. threw    D. packed

3.A. heart    B. control    C. hope    D. strength

4.A. supporting    B. adjusting    C. pushing    D. tapping

5.A. back    B. straight    C. still    D. up

6.A. failed    B. managed    C. attempted    D. intended

7.A. current    B. wall    C. boat    D. pole

8.A. turned out    B. turned up    C. turned in    D. turned down

9.A. surrounded    B. contacted    C. approached    D. welcomed

10.A. accident    B. disaster    C. panic    D. threat

11.A. sucking    B. twisting    C. sweeping    D. sticking

12.A. pressed down    B. brought down    C. pulled down    D. taken down

13.A. signaling    B. allowing    C. demanding    D. convincing

14.A. found    B. touched    C. noticed    D. grasped

15.A. away    B. aboard    C. apart    D. aside

16.A. safety    B. relief    C. aid    D. comfort

17.A. health    B. mood    C. condition    D. identity

18.A. at work    B. at ease    C. at service    D. at hand

19.A. complained    B. reported    C. admitted    D. argued

20.A. experience    B. excuse    C. reputation    D. memory