I have waited for the bus for twenty minutes.(对画线部分提问)________ ________ have you waited for the bus?
I get up early______I can go to school on time.
Would you mind if I _____here? I’m sorry, you’d better not.
-- Must I write down all the new words now? No, you_______
I often saw him ______ English every morning.
— Is Zhang Ziyi your sister ? — _______ .