听录音，选出你听到的句子：
⑴A. Stand up, please.
B. Sit down, please.
⑵A. Look at the boat. It’s green.
B. Look at the cloud. It’s white.
⑶A. An apple pie? Yes, please.
B. An ice-cream? No, thank you.
⑷A. Is Mr Wang happy?
B. Is Mr Wang hungry?
⑸A. Peter is tall and fat.
B. Peter is tall and thin.
⑹A. Five, six, seven, eight. You are very late.
B. Nine, ten, nine, ten. Don’t be late for school again.
⑺A. Peter is my big brother.
B. Is Peter your little brother?
⑻A. Is this a classroom?
B. It’s the playground. 
⑼A. Find the pigs. How many pigs? 
B. Count the dogs. How many dogs?
⑽A. It has a big head.
B. It has a small head.