千金子的别名是（）
A．坤草子
B．续随子
C．大腹子
D．鼠粘子
E．莱菔子
参考答案：B
The library's study room is full of students _______ for the exam.
A．busily prepared
B．busy preparing
C．busyly prepare
D．are busily preparing
观赏苞片的植物？
