题目内容：

    Catherine decided to rescue Khan after seeing him at the animal shelter. Khan was a (an) _______ dog with a broken leg from being beaten. _______ her family heard about dogs and babies not getting along, to their _______, Khan walked right over to their 17-month-old daughter Charlotte when they were _______. The two sat on the grass and played _______, forming a bond that the family hoped would continue for the rest of Khan’s life.

One day, _______, Khan seemed to be slightly aggressive towards Charlotte. He even _______to push her away from where she played. The family kept a close eye on Khan and that’s when _______ caught their attention. A _______ was hiding right near Charlotte. Khan tried numerous times to push her out of the way but it didn’t ________ and the snake was determined to ________. Wang The family screamed ________ as their daughter’s life was in danger.

In one last ________, Khan grabbed Charlotte by the back of her shirt and ________ her over his shoulder. She ________ more than 3 feet away and the family ran over to her. As it ________, Khan had been bitten as he tried to get in between Charlotte and the snake.

While Khan was at the ________, a local newspaper was covering the incident. They couldn’t ________ an abused rescue dog who had only been with this family for four days would be so heroic. ________ after a couple of days in the hospital, Khan was ________ to return home and he was doing much better.

1.A.experienced B.abused C.fierce D.trained

2.A.As B.Because C.Since D.Although

3.A.regret B.shame C.disappointment D.surprise

4.A.blamed B.warned C.introduced D.teased

5.A.cheerfully B.sadly C.separately D.skillfully

6.A.however B.instead C.therefore D.otherwise

7.A.remembered B.pretended C.managed D.attempted

8.A.nothing B.everything C.something D.anything

9.A.baby B.snake C.dog D.mouse

10.A.fit B.continue C.work D.matter

11.A.strike B.rush C.dive D.hide

12.A.in relief B.in amazement C.in horror D.in excitement

13.A.test B.try C.pull D.fight

14.A.passed B.held C.put D.threw

15.A.landed B.climbed C.jumped D.waited

16.A.got out B.worked out C.turned out D.came out

17.A.shelter B.hospital C.gate D.backyard

18.A.believe B.know C.notice D.accept

19.A.Surprisingly B.Interestingly C.Naturally D.Thankfully

20.A.forced B.allowed C.invited D.persuaded