I have waited for the bus for twenty minutes.(对画线部分提问)________ ________ have you waited for the bus?
In old days, the bosses often made the workers __________ for long hours.
Samuel is an ________person, he often helps teachers _______all kinds of activities.
My friend David is creative, he often ________ new ideas.
Simon ________ all his food, now he is so full.
—Shen Duo won five Gold Medals in five days in the YOG last month. —Yes, her work ________ and she has got high _______ from people in our city.