Lucy, _________ do you have art lessons—Twice a week.

May I speak to your manager Mr.Willians at five o’clock tonight?”—“I’m sorry, Mr.Williams _______ to a conference before then.”

Daniel, can you help me ______ — Sure. Where’s the brush

His elder brother is good ________ skatin g.

Do you know about a very popular toy— the yo-yo(悠悠球)—Yes. Filipinos(菲律宾人) invented it ________ accident. And it ________ helping kill animals.