1. (2019·新课标Ⅱ卷) 阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

    It's about 250 miles from the hills of west-central lowa to Ehlers' home in Minnesota. During the long trip home, following a weekend of hunting, Ehlers 1about the small dog he had seen 2 alongside the road. He had 3 to coax（哄）the dog to him but, frightened, it had 4.

    Back home, Ehlers was troubled by that 5 dog. So, four days later, he called his friend Greg, and the two drove 6. After a long and careful 7. Greg saw, across a field, the dog moving 8 away. Ehlers eventually succeeded in coaxing the animal to him. Nervousness and fear were replaced with 9. It just started licking（舔）Ehlers' face.

    A local farmer told them the dog sounded like one 10 as lost in the local paper. The ad had a 11 number for a town in southern Michigan. Ehlers 12 the number of Jeff and Lisa to tell them he had 13 their dog.

    Jeff had 14 in lowa before Thanksgiving with his dog, Rosie, but the gun shots had scared the dog off. Jeff searched 15 for Rosie in the next four days.

    Ehlers returned to Minnesotan, and then drove 100 miles to Minneapolis to put Rosie on a flight to Michigan. “It's good to know there's still someone out there who  16 enough to go to that kind of 17," says Lisa of Ehlers' rescue 18.

    I figured whoever lost the dog was probably just as  19 to it as I am to my dogs,” says Ehlers. “If it had been my dog, I'd hope that somebody would be 20 to go that extra mile.”