（1）What's Wangwang like？
A.Helpless.
B.Helpful.
C.Kind.
（2）Why did Sam want to kill Wangwang？
A.Because Wangwang ate too much.
B.Because Wangwang couldn't help him.
C.Because Wangwang bit him.
（3）What was wrong with the boat when Sam rowed it to the middle of the river？
A.The boat disappeared.
B.The boat began to go down.
C.The boat hit a rock.
（4）What happened to Sam then？
A.Sam jumped out of the boat.
B.Sam fell into the river.
C.Sam got out of the bag.
（5）Who saved Sam in the end？
A.Wangwang.
B.Sam himself.
C.Another dog.