你想知道小朋友们正在做什么,你可以问老师:A.Where are they? B.What are they doing?
—_______ he_______ his lunch?一Yes, he did.
— What _______ you _______ last week?— I bought a bag.
He went into the room and _______ the door.
What did you see _______?
_______ you _______ at six o’clock yesterday?