Look at the four squares [■] that show where the following sentence could be inserted in the passage. The insulating power of a layer of fur or feathers mainly depends on how much still air the layer traps. Where could the sentence best be added？ Click on a square [■] to insert the sentence in the passage.
A．Square Ａ.
B．Square Ｂ.
C．Square Ｃ.
D．Square Ｄ.

Mike and I really did __ Leigh how to play the lost game.
A．demonstrate
B．show
C．manifest
D．display

听力原文：M: What do you think of our new teacher？
W: She's kind and friendly.
Q: What does the woman think of the new teacher？
（15)
A．She is very nice.
B．She is unfriendly.
C．She is careless.
D．She is very healthy.

A．Doing homework.
B．Fine, thank you.
C．Very good.
D．Writing a book.

Nestle is a company of what country？
A．Europe.
B．The United States.
C．Switzerland.
D．India.

A．On the grass.
B．Near the pool.
C．On his bike.
D．At home.