将代表正确选项的字母填入空白处，使文章语意连贯（共5小题，每小题1分，共5分）。
A little dog stands near an old well(井). He stands there all morning. “wow-wow!” the little dog barks(吠叫). Bob hears him all the morning. 小题1: . “Why do you stand here, little dog?” he asks. 小题2:. The little dog looks at him. “Bow-wow-wow!” he barks again.小题3: “Come here, Frank.” He says. “A dog wants to tell us something.” Ten minutes later, Frank arrives. 小题4: . They see only a bone（骨头）.“This is what the dog wants to tell us.” says Frank. 小题5: . The dog is very happy and runs away.
A．Bob calls his brother Frank.
B．Bob goes into the house.
C．Then Frank gives the dog a bone.
D．At last Bob goes to the well.E. Bob says to the dog.
F. “And what are you barking at?”
G. They look down into the well.
小题1:D
小题2:F
小题3:A
小题4:G
小题5:C
小题1:前句的含义为鲍勃听了狗在井边叫了一整上午，所以本句的含义为最后鲍勃去井边看一看，故本句空格处选D。
小题2:前句的含义为小狗看着鲍勃又叫了，所以本句的含义为鲍勃问狗，你又在叫什么，故本句空格处选F。
小题3:后句的含义为到这儿来，弗兰克，所以本句的含义为鲍勃打电话给弗兰克，故本句空格处选A。
小题4:下句的含义为他们看到井里面有个骨头，故本句的含义为他们朝向井里看，故本句空格处选G。
小题5:后句的含义为狗非常高兴走掉了，所以本句的含义为弗兰克给狗一个骨头，故本句空格处选C。