听第三段材料，回答第12至14小题。

(    )12.How many times was Sam late for class this week?

A.Once.        B.Twice.        C.Three times.

(    )13.What did Sam do last night?

A.Surfed the Internet.        B.Learned English.        C.Read English stories.

(    )14.How often does Mary read English stories?

A.Once a week.        B.Twice a week.        C.Almost every day.

听第四段材料，回答第15至17小题。

(    )15.Who has ever been to Taiwan?

A.Mary.        B.Bill.        C.Mary’s parents.

(    )16.How will Mary and her parents get to Taiwan?

A.By ship.        B.By train.        C.By plane.

(    )17.How much will Mary and her parents pay for their round?trip tickets?

A.3,000 yuan.        B.5,400 yuan.        C.6,000 yuan.

听第五段材料，回答第18至20小题。

(    )18.Who is Jim?

A.Kate?s brother.        B.Kate’s uncle.        C.Kate?s father.

(    )19.What does Kate want the robot to do?

A.Help her to do homework.

B.Play with her.

C.Help her parents to do housework.

(    )20.How long will it take Kate to make a robot?

A.Two or three days.        B.Two or three months.        C.Two or three years.