当你想表达他把钢笔弄丢了，你应该说———
A.He lost his pen
B.I lost my pen
C.She lost her pen.
Tom is （1）（6）0cm tall. Sarah is 157cm. So _______
A. Tom is taller than Sarah.
B. Tom is shorter than Sarah.
C. Tom is （3）cm shorter than Sarah.
I am 42kg. 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