根据问句,选择适当的答语。(20分)( )(1)What are you doing?( )(2)What is Sam doing?( )(3)What is she doing?( )(4)Are you writing a letter?
How many _____ are there in the sky? A. balloonB. a balloon C. balloons
Who’s _____? My sister. A. he B. sheC. you
Who’s he? My _____. A. sisterB. brother C. Miss Yang
Who are you? __________ Eddie. A. He’s B. She’s C. I’m
Is it ______ ice cream? A. a B. an C. /