当你想知道他们是做什么的时候,你会问:A.What are they doing.B.What do they do?C.How do they do?
It’s hot and dry.
It’s seven o’clock.What’s Billy doing?
Santa, what are you doing? I ___ presents __ all the children.
Happy New Year. A.Thank you. B.Happy New Year. C.Merry Christmas.
What are you doing? I _____ presents.