—Let's give her some books her birthday.
—That's a good idea!
A:to
B:in
C:by
D:for
They ____ ____to pay tax on the medals they win.
在浩瀚的宇宙中,有一颗美丽的星球,她披着蓝色的面纱,载者无数的生灵,环绕着太阳在不断地转动,它就是( )
化简 aa3的结果是( )