a. 补全下列句子，每空一词。
1. Tom is
2. Tom buys a toy robot and a toy
1. Tom is
eight
years old and Ben is eight
years old.2. Tom buys a toy robot and a toy
car
.答案：1. eight, eight 2. car
b.汤姆想要送一张贺卡给他的弟弟，请帮助他补全贺卡内容。
Dear b
Happy B
dy car is for
Yours,
Tom
Dear b
rother
,Happy B
irthday
! Thisdy car is for you
.Yours,
Tom
答案：brother, Birthday, you