题目内容：

    Sending an urgent message in a bottle would not typically be considered a sensible strategy. However, it magically ___ for three hikers from California.

In June 2019, for Father^ Day weekend, the Whitsons ___ to go backpacking along central California's Arroyo Seco River. Things went ___ for the first two days. On June 16, Whitson, who was ___ with the area, led the trip to the Arroyo Seco narrows(峡谷).

____ when the hikers reached the waterfall in the narrows, Whitson realized that ___ his previous trip through the area, the water currents were too strong to pass. "My heart ____ when I realized that.” Whitson told CNN. Whitson and his son tried to ___ other routes to get around it, but their efforts proved ____ .

With food running low and no cellphone reception to____help, he decided to carve a "GET HELP” message on the side of his water bottle and threw it downstream in the ___ that someone would find it. Then they went back up the river to a small beach to camp out for the night.

Sometime after midnight, the three adventurers were ___ by a welcome sound — a California Highway Patrol helicopter flying overhead. Since it was too dark to conduct a(n) ____ , the officials asked them to stay warm for the night, and ___ to send a team the following day.

Shortly after being____on the morning of June 17, 2019, Whitson ____ that two hikers had tripped upon their water bottle and, upon seeing the urgent ____reported the issue to the officials. Whitson says, "They didn't leave their name or phone number. They just did what was ____ in their heart, and most importantly they took it ____ . Whitson and his family hope the two good hikers will reveal their ___ so that they can express their gratitude in person.

1.A.failed B.worked C.connected D.recommended

2.A.decided B.preferred C.attempted D.happened

3.A.obviously B.unexpectedly C.smoothly D.surprisingly

4.A.familiar B.popular C.content D.busy

5.A.Besides B.Meanwhile C.Moreover D.However

6.A.unlike B.like C.as D.opposite

7.A.beat B.sank C.ached D.broke

8.A.attach B.avoid C.expand D.seek

9.A.priceless B.hopeless C.fruitless D.endless

10.A.call for B.spread out C.beg for D.give away

11.A.challenge B.arrangement C.hope D.satisfaction

12.A.awakened B.disturbed C.annoyed D.greeted

13.A.experiment B.escape C.exploration D.rescue

14.A.regretted B.promised C.chose D.appealed

15.A.picked up B.tried out C.put Forward D.passed down

16.A.believed B.accepted C.predicted D.discovered

17.A.sculpture B.message C.coincidence D.comment

18.A.urgent B.flexible C.right D.possible

19.A.directly B.normally C.seriously D.frequently

20.A.identity B.motivation C.characteristic D.quality