你到商店买东西, 服务员会有礼貌地对你说:A. What do you want to buy? B. Can I help you?C. Here you are.
I am 42 kg. So I am g. A.420 B. 4200 C. 42000
One meter is centimeter. A.10 B.100 C.1000
Tom lost his book. He’s so sad. We can say he is feeling . A. black B. red C. blue
Sarah’s hair is short. My hair is,too. A. short B. shorter C. shortest
The monkey’s tail is long. The dinosaur’s tail is . A. long B. longer C. longest