【单选题】There a pen and two books on the desk .
【单选题】There a pen and some pencils in my pencil-box.
【简答题】There a pen, a knife and several books on the desk.
【简答题】给问句选择答语。 ( ) 1. Is this your pen? ( ) 2. Is there a pen on the desk? ( ) 3. What's your father's job? ( ) 4. Is your father a worker? ( ) 5. How many boys are there in your class? ...