完成句子。
He often goes to school by bike. (同义句)
He often _______ a bike _______ school.
I usually eat breakfast at 7:00. (对划线部分提问)
_________  __________ you eat breakfast?
He likes pandas, because they are cute. (对划线部分提问)
__________  does he ________ pandas?
这幅画是由象牙制成的。（翻译句子）
The picture is __________  __________ivory.